SB20260409106 - SUSE update for the Linux Kernel (Live Patch 48 for SUSE Linux Enterprise 15 SP4)



SB20260409106 - SUSE update for the Linux Kernel (Live Patch 48 for SUSE Linux Enterprise 15 SP4)

Published: April 9, 2026

Security Bulletin ID SB20260409106
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2026-23209)

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

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


Remediation

Install update from vendor's website.