SB2024112226 - Improper locking in Linux kernel afs



SB2024112226 - Improper locking in Linux kernel afs

Published: November 22, 2024 Updated: May 12, 2025

Security Bulletin ID SB2024112226
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-2024-53090)

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

The vulnerability exists due to improper locking within the afs_deferred_free_worker(), afs_alloc_call(), afs_put_call(), afs_wake_up_call_waiter() and afs_wake_up_async_call() functions in fs/afs/rxrpc.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.