SB2025102116 - SUSE update for the Linux Kernel (Live Patch 69 for SLE 12 SP5) 



SB2025102116 - SUSE update for the Linux Kernel (Live Patch 69 for SLE 12 SP5)

Published: October 21, 2025

Security Bulletin ID SB2025102116
Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2022-50386)

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

The vulnerability exists due to a use-after-free error within the l2cap_connect_create_rsp() function in net/bluetooth/l2cap_core.c. A local user can escalate privileges on the system.


2) Incorrect calculation (CVE-ID: CVE-2025-21971)

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

The vulnerability exists due to incorrect calculation within the tc_ctl_tclass() function in net/sched/sch_api.c. A local user can perform a denial of service (DoS) attack.


3) Input validation error (CVE-ID: CVE-2025-38499)

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

The vulnerability exists due to improper input validation within the clone_private_mount() function in fs/namespace.c. A local user can perform a denial of service (DoS) attack.


4) Use of uninitialized resource (CVE-ID: CVE-2025-38644)

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

The vulnerability exists due to use of uninitialized resource within the ieee80211_tdls_oper() function in net/mac80211/tdls.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.