#VU120801 NULL pointer dereference in Linux kernel - CVE-2022-50812
Published: December 30, 2025 / Updated: December 30, 2025
Vulnerability identifier: #VU120801
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-2022-50812
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 function in security/Kconfig.hardening. 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/0b202dfedb5aa2e7d07d849be33fa3a48c026926
- https://git.kernel.org/stable/c/21ca0bfa11bbb9a9207f5d2104f47d3d71b4616e
- https://git.kernel.org/stable/c/8a4236456a3a402f6bb92aa7b75e7a3b4ef7a72c
- https://git.kernel.org/stable/c/d6a9fb87e9d18f3394a9845546bbe868efdccfd2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2