SB20240531444 - NULL pointer dereference in Linux kernel pstore
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531444
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) NULL pointer dereference (CVE-ID: CVE-2024-35940)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the psz_kmsg_read() function in fs/pstore/zone.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/98e2b97acb875d65bdfc75fc408e67975cef3041
- https://git.kernel.org/stable/c/0ff96ec22a84d80a18d7ae8ca7eb111c34ee33bb
- https://git.kernel.org/stable/c/635594cca59f9d7a8e96187600c34facb8bc0682
- https://git.kernel.org/stable/c/ec7256887d072f98c42cdbef4dcc80ddf84c7a70
- https://git.kernel.org/stable/c/6f9f2e498eae7897ba5d3e33908917f68ff4abcc
- https://git.kernel.org/stable/c/98bc7e26e14fbb26a6abf97603d59532475e97f8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.215
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.155
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.86
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.27
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.6