SB20251210106 - NULL pointer dereference in Linux kernel powerpc kernel
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB20251210106
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-2022-50635)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the arch_prepare_kprobe() function in arch/powerpc/kernel/kprobes.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/4eac4f6a86ae73ef4b772d37398beeba2fbfde4e
- https://git.kernel.org/stable/c/5fd1b369387c53ee6c774ab86e32e362a1e537ac
- https://git.kernel.org/stable/c/7f536a8cb62dd5c084f112373fc34cdb5168a813
- https://git.kernel.org/stable/c/97f88a3d723162781d6cbfdc7b9617eefab55b19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.75
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1