SB20241230195 - Improper locking in Linux kernel mm
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230195
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-56566)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the check_slab(), slab_fix() and alloc_single_from_partial() functions in mm/slub.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/33a213c04faff6c3a7fe77e947db81bc7270fe32
- https://git.kernel.org/stable/c/943c0f601cd28c1073b92b5f944c6c6c2643e709
- https://git.kernel.org/stable/c/dbc16915279a548a204154368da23d402c141c81
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.64