SB2026041375 - SUSE update for the Linux Kernel (Live Patch 77 for SUSE Linux Enterprise 12 SP5)

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Main Vulnerability Database SB2026041375

SB2026041375 - SUSE update for the Linux Kernel (Live Patch 77 for SUSE Linux Enterprise 12 SP5)

Published: April 13, 2026

Security Bulletin ID SB2026041375
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2023-53794)

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

The vulnerability exists due to a use-after-free error within the smb2_reconnect_server() function in fs/smb/client/smb2pdu.c. A local user can escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2026-23074)

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

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


3) 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.

References