SB2025050446 - NULL pointer dereference in Linux kernel fs
Published: May 4, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050446
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-2023-53055)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the generic_shutdown_super() function in fs/super.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/497ab5d9c7852dfedab2c9de75e41b60e54b7c5d
- https://git.kernel.org/stable/c/992a3f3e8a0c92151dfdf65fc85567c865fd558a
- https://git.kernel.org/stable/c/ccb820dc7d2236b1af0d54ae038a27b5b6d5ae5a
- https://git.kernel.org/stable/c/d77531fac6a1fd9f1db0195438ba5419d72b96c4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.22