Ubuntu update for linux-aws

Published: 2024-03-21

Risk	Low
Patch available	YES
Number of vulnerabilities	4
CVE-ID	CVE-2023-23000 CVE-2023-23004 CVE-2024-1086 CVE-2024-24855
CWE-ID	CWE-476 CWE-416 CWE-362
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	Ubuntu Operating systems & Components / Operating system linux-image-5.4.0-1125-gcp (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-xilinx-zynqmp (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-raspi2 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-raspi (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-aws-lts-20.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1121-aws (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1105-raspi (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1040-xilinx-zynqmp (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-raspi-hwe-18.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-aws (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-gcp (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU73769

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-2023-23000

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 within the tegra_xusb_find_port_node() function in drivers/phy/tegra/xusb.c. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-aws to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-5.4.0-1125-gcp (Ubuntu package): before Ubuntu Pro

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1040.40

linux-image-raspi2 (Ubuntu package): before 5.4.0.1105.135

linux-image-raspi (Ubuntu package): before 5.4.0.1105.135

linux-image-aws-lts-20.04 (Ubuntu package): before 5.4.0.1121.118

linux-image-5.4.0-1121-aws (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1105-raspi (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1040-xilinx-zynqmp (Ubuntu package): before 5.4.0-1040.44

linux-image-raspi-hwe-18.04 (Ubuntu package): before Ubuntu Pro

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

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

External links

http://ubuntu.com/security/notices/USN-6702-2

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: #VU73773

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-2023-23004

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 within the get_sg_table() function in drivers/gpu/drm/arm/malidp_planes.c. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-aws to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-5.4.0-1125-gcp (Ubuntu package): before Ubuntu Pro

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1040.40

linux-image-raspi2 (Ubuntu package): before 5.4.0.1105.135

linux-image-raspi (Ubuntu package): before 5.4.0.1105.135

linux-image-aws-lts-20.04 (Ubuntu package): before 5.4.0.1121.118

linux-image-5.4.0-1121-aws (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1105-raspi (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1040-xilinx-zynqmp (Ubuntu package): before 5.4.0-1040.44

linux-image-raspi-hwe-18.04 (Ubuntu package): before Ubuntu Pro

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

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

External links

http://ubuntu.com/security/notices/USN-6702-2

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: #VU86577

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-2024-1086

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 netfilter nf_tables component in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Mitigation

Update the affected package linux-aws to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-5.4.0-1125-gcp (Ubuntu package): before Ubuntu Pro

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1040.40

linux-image-raspi2 (Ubuntu package): before 5.4.0.1105.135

linux-image-raspi (Ubuntu package): before 5.4.0.1105.135

linux-image-aws-lts-20.04 (Ubuntu package): before 5.4.0.1121.118

linux-image-5.4.0-1121-aws (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1105-raspi (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1040-xilinx-zynqmp (Ubuntu package): before 5.4.0-1040.44

linux-image-raspi-hwe-18.04 (Ubuntu package): before Ubuntu Pro

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

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

External links

http://ubuntu.com/security/notices/USN-6702-2

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) Race condition

EUVDB-ID: #VU87602

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-2024-24855

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

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

The vulnerability exists due to a race condition within the lpfc_unregister_fcf_rescan() function in scsi device driver. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Update the affected package linux-aws to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-5.4.0-1125-gcp (Ubuntu package): before Ubuntu Pro

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1040.40

linux-image-raspi2 (Ubuntu package): before 5.4.0.1105.135

linux-image-raspi (Ubuntu package): before 5.4.0.1105.135

linux-image-aws-lts-20.04 (Ubuntu package): before 5.4.0.1121.118

linux-image-5.4.0-1121-aws (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1105-raspi (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1040-xilinx-zynqmp (Ubuntu package): before 5.4.0-1040.44

linux-image-raspi-hwe-18.04 (Ubuntu package): before Ubuntu Pro

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

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

External links

http://ubuntu.com/security/notices/USN-6702-2

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.