SB2024091874 - NULL pointer dereference in Linux kernel powerpc lib
Published: September 18, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024091874
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-2024-46797)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the barrier() function in arch/powerpc/lib/qspinlock.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/d84ab6661e8d09092de9b034b016515ef9b66085
- https://git.kernel.org/stable/c/f06af737e4be28c0e926dc25d5f0a111da4e2987
- https://git.kernel.org/stable/c/734ad0af3609464f8f93e00b6c0de1e112f44559
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51