SUSE update for the Linux Kernel (Live Patch 27 for SLE 12 SP4)

Published: 2022-08-09

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-1679 CVE-2022-20141
CWE-ID	CWE-416 CWE-264
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	SUSE Linux Enterprise Live Patching Operating systems & Components / Operating system kgraft-patch-4_12_14-95_99-default Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU64861

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-1679

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 ath9k_htc_wait_for_target() function in the Linux kernel’s Atheros wireless adapter driver. A local user can execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel (Live Patch 27 for SLE 12 SP4) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Live Patching: 12-SP4

kgraft-patch-4_12_14-95_99-default: before 3-2.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20222697-1/

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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU64134