SB2023032865 - SUSE update for the Linux Kernel (Live Patch 38 for SLE 12 SP5) 

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Main Vulnerability Database SB2023032865

SB2023032865 - SUSE update for the Linux Kernel (Live Patch 38 for SLE 12 SP5)

Published: March 28, 2023 Updated: March 30, 2023

Security Bulletin ID SB2023032865
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2023-0266)

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

The vulnerability exists due to a use-after-free error within the snd_ctl_elem_read() function in the Linux kernel sound subsystem. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.


2) Double Free (CVE-ID: CVE-2023-26545)

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

The vulnerability exists due to a double free in net/mpls/af_mpls.c during the renaming of a device. A local user can trigger a double free error and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References