#VU111451 Use-after-free in Linux kernel - CVE-2022-50083
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111451
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50083
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the fs/ext4/xattr.h. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/0e69cf833161b29b2e25dcbf2f2b4e70d75b15cf
- https://git.kernel.org/stable/c/179b14152dcb6a24c3415200603aebca70ff13af
- https://git.kernel.org/stable/c/214c68423fd632646c68f3ec8b3c2602cf8273f3
- https://git.kernel.org/stable/c/2da44a2927a71bff2bc66cefa8cfbd2ace702536
- https://git.kernel.org/stable/c/37d82aa78346866552d573e8badc0aa8db8f1eea
- https://git.kernel.org/stable/c/4cdc284ffadd6a989f24107ee7f09be43b748fbb
- https://git.kernel.org/stable/c/748d17d47687e178f8e38938447fa4636c071c41
- https://git.kernel.org/stable/c/e6321fda51e5b4dd7ec295afb84cbf63c2634c7b
- https://git.kernel.org/stable/c/f217b1ccb178475192e6a516fab7230f51ddae94
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.291