#VU115436 NULL pointer dereference in Linux kernel - CVE-2022-50334
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115436
Vulnerability risk: Low
CVSSv4.0: 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-2022-50334
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
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 hugetlbfs_parse_param() function in fs/hugetlbfs/inode.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/26215b7ee923b9251f7bb12c4e5f09dc465d35f2
- https://git.kernel.org/stable/c/965e8f8ae0f642b5528f5a82b7bcaf15a659d5bd
- https://git.kernel.org/stable/c/9a8862820cbf1f18dca4f3b4c289d88561b3a384
- https://git.kernel.org/stable/c/dcd28191be9bbf307ba51a5b485773a55b0037c4
- https://git.kernel.org/stable/c/f2207145693ae5697a7b59e2add4b92f9e5b0e3c
- https://git.kernel.org/stable/c/fa71639873518e3587632ae58e25e4a96b57fa90
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229