Ubuntu update for linux



Published: 2023-07-26 | Updated: 2023-09-04
Risk Medium
Patch available YES
Number of vulnerabilities 13
CVE-ID CVE-2022-1184
CVE-2022-3303
CVE-2023-1611
CVE-2023-1670
CVE-2023-1859
CVE-2023-1990
CVE-2023-2124
CVE-2023-3090
CVE-2023-3111
CVE-2023-3141
CVE-2023-3268
CVE-2023-3390
CVE-2023-35001
CWE-ID CWE-416
CWE-476
CWE-125
CWE-787
Exploitation vector Network
Public exploit Public exploit code for vulnerability #13 is available.
Vulnerable software
Subscribe 		Ubuntu
Operating systems & Components / Operating system

linux-image-4.15.0-1122-oracle (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-214-generic-lpae (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-1068-dell300x (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-gcp-lts-18.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-1168-azure (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-1153-gcp (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-generic-lpae (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-azure-lts-18.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-dell300x (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-snapdragon (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-1153-snapdragon (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-214-lowlatency (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-1143-kvm (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-1159-aws (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-214-generic (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-aws-lts-18.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-lowlatency (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-kvm (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-generic (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-virtual (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-gcp (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-gke (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-azure (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-aws-hwe (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-generic-hwe-16.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-lowlatency-hwe-16.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-oem (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-virtual-hwe-16.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-oracle (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 13 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU64438

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1184

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to a use-after-free error in fs/ext4/namei.c:dx_insert_block() function in the Linux kernel’s filesystem sub-component.. A local user can trigger use-after-free and perform a denial of service attack.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) NULL pointer dereference

EUVDB-ID: #VU68338

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3303

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the Linux kernel sound subsystem due to improper locking when handling the SNDCTL_DSP_SYNC ioctl. A privileged local user can trigger a NULL pointer dereference error and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Use-after-free

EUVDB-ID: #VU75204

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1611

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the btrfs_search_slot() function in fs/btrfs/ctree.c. A local user can trigger a use-after-free error and crash the kernel.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Use-after-free

EUVDB-ID: #VU75450

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1670

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the Xircom 16-bit PCMCIA (PC-card) Ethernet driver. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Use-after-free

EUVDB-ID: #VU75769

Risk: Medium

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1859

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a malicious guest to gain access to sensitive information or perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the xen_9pfs_front_removet() function in net/9p/trans_xen.c in Xen transport for 9pfs. A malicious guest VM can trigger a use-after-free error and gain access to sensitive information of the hypervisor or crash it.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Use-after-free

EUVDB-ID: #VU75453

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1990

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the ndlc_remove() function in drivers/nfc/st-nci/ndlc.c. A local user can trigger a use-after-free error and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Out-of-bounds read

EUVDB-ID: #VU75323

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-2124

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack..

The vulnerability exists due to a boundary condition within the XFS subsystem in Linux kernel. A local user can trigger an out-of-bounds read error and crash the kernel.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Out-of-bounds write

EUVDB-ID: #VU78010

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3090

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the ipvlan network driver in Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Use-after-free

EUVDB-ID: #VU77911

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3111

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the prepare_to_relocate() function in fs/btrfs/relocation.c in btrfs in the Linux Kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Use-after-free

EUVDB-ID: #VU77955

Risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3141

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the r592_remove() function of drivers/memstick/host/r592.c in media access in the Linux kernel. A local user can trigger a use-after-free error and escalate privileges on the system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Out-of-bounds read

EUVDB-ID: #VU78008

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3268

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the relay_file_read_start_pos() function in kernel/relay.c in the relayfs. A local user can trigger an out-of-bounds read error and read contents of memory on the system or crash the kernel.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Use-after-free

EUVDB-ID: #VU78007

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3390

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within net/netfilter/nf_tables_api.c in the Linux kernel netfilter subsystem. A local user can trigger a use-after-fee error and escalate privileges on the system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Out-of-bounds write

EUVDB-ID: #VU78326

Risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-35001

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the nft_byteorder() function. A local user can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

linux-image-4.15.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1068-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1168-azure (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-gcp (Ubuntu package): before Ubuntu Pro

linux-image-generic-lpae (Ubuntu package): before Ubuntu Pro

linux-image-azure-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-dell300x (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-snapdragon (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1143-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1159-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-214-generic (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6252-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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