NULL pointer dereference in Linux kernel - CVE-2022-50635
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119735
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50635
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2022-50635
Install update from vendor's repository.
Sources
- 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