SB20241230183 - Improper locking in Linux kernel include asm



SB20241230183 - Improper locking in Linux kernel include asm

Published: December 30, 2024 Updated: May 11, 2025

Security Bulletin ID SB20241230183
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper locking (CVE-ID: CVE-2024-56701)

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

The vulnerability exists due to improper locking within the dtl_worker_enable() and dtl_worker_disable() functions in arch/powerpc/platforms/pseries/lpar.c, within the dtl_enable() and dtl_disable() functions in arch/powerpc/platforms/pseries/dtl.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.