#VU120403 Use-after-free in Linux kernel - CVE-2022-50726
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120403
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-2022-50726
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 include/linux/mlx5/driver.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/0aa3ee1e4e5c9ed5dda11249450d609c3072c54e
- https://git.kernel.org/stable/c/69dd3ad406c49aa69ce4852c15231ac56af8caf9
- https://git.kernel.org/stable/c/ab3de780c176bb91995c6166a576b370d9726e17
- https://git.kernel.org/stable/c/bacd22df95147ed673bec4692ab2d4d585935241
- https://git.kernel.org/stable/c/bbcc06933f35651294ea1e963757502312c2171f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.153