Ubuntu update for linux-aws

Published: 2024-03-19

Risk	Medium
Patch available	YES
Number of vulnerabilities	7
CVE-ID	CVE-2023-46343 CVE-2023-51779 CVE-2023-51782 CVE-2023-6121 CVE-2023-6560 CVE-2024-0607 CVE-2024-25744
CWE-ID	CWE-476 CWE-416 CWE-362 CWE-125 CWE-399 CWE-264
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Ubuntu Operating systems & Components / Operating system linux-image-aws (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.5.0-1015-aws (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU86243

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-2023-46343

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 send_acknowledge() function in net/nfc/nci/spi.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: 22.04 - 23.10

linux-image-aws (Ubuntu package): before 6.5.0.1015.15~22.04.1

linux-image-6.5.0-1015-aws (Ubuntu package): before 6.5.0-1015.15~22.04.1

External links

http://ubuntu.com/security/notices/USN-6680-3

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) Use-after-free

EUVDB-ID: #VU85023

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-2023-51779

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 when handling bt_sock_ioctl in the Bluetooth subsystem. 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: 22.04 - 23.10

linux-image-aws (Ubuntu package): before 6.5.0.1015.15~22.04.1

linux-image-6.5.0-1015-aws (Ubuntu package): before 6.5.0-1015.15~22.04.1

External links

http://ubuntu.com/security/notices/USN-6680-3

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) Race condition

EUVDB-ID: #VU85029

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-2023-51782

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 in the Amateur Radio X.25 PLP (Rose) support. A local user can exploit the race and escalate privileges on the system.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04 - 23.10

linux-image-aws (Ubuntu package): before 6.5.0.1015.15~22.04.1

linux-image-6.5.0-1015-aws (Ubuntu package): before 6.5.0-1015.15~22.04.1

External links

http://ubuntu.com/security/notices/USN-6680-3

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) Out-of-bounds read

EUVDB-ID: #VU84788

Risk: Medium

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-6121

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the NVMe-oF/TCP subsystem in the Linux kernel. A remote attacker can send specially crafted data to the system, trigger an out-of-bounds read error and read contents of memory.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04 - 23.10

linux-image-aws (Ubuntu package): before 6.5.0.1015.15~22.04.1

linux-image-6.5.0-1015-aws (Ubuntu package): before 6.5.0-1015.15~22.04.1

External links

http://ubuntu.com/security/notices/USN-6680-3

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

5) Out-of-bounds read

EUVDB-ID: #VU84040

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-2023-6560

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 in io_uring SQ/CQ rings functionality in the Linux kernel. A local user can trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04 - 23.10

linux-image-aws (Ubuntu package): before 6.5.0.1015.15~22.04.1

linux-image-6.5.0-1015-aws (Ubuntu package): before 6.5.0-1015.15~22.04.1

External links

http://ubuntu.com/security/notices/USN-6680-3

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.

6) Resource management error

EUVDB-ID: #VU86553

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-2024-0607

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources within the nft_byteorder_eval() function in the Netfilter subsystem. A local user can perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04 - 23.10

linux-image-aws (Ubuntu package): before 6.5.0.1015.15~22.04.1

linux-image-6.5.0-1015-aws (Ubuntu package): before 6.5.0-1015.15~22.04.1

External links

http://ubuntu.com/security/notices/USN-6680-3

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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU87191

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-2024-25744

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to missing access restrictions related to arch/x86/coco/tdx/tdx.c and arch/x86/mm/mem_encrypt_amd.c. An untrusted VMM can trigger int80 syscall handling at any given point and perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04 - 23.10

linux-image-aws (Ubuntu package): before 6.5.0.1015.15~22.04.1

linux-image-6.5.0-1015-aws (Ubuntu package): before 6.5.0-1015.15~22.04.1

External links

http://ubuntu.com/security/notices/USN-6680-3

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.