#VU116760 Use-after-free in Linux kernel - CVE-2022-50516
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116760
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-2022-50516
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 send_args() function in fs/dlm/lock.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/1ab6d3030652b5de0015176a5b0ad9df9b847514
- https://git.kernel.org/stable/c/57c1cfb5781068e5d3632bc6e5f74a8fcc4f1a30
- https://git.kernel.org/stable/c/7175e131ebba47afef47e6ac4d5bab474d1e6e49
- https://git.kernel.org/stable/c/ea7be82fd7e1f5de72208bce93fbbe6de6c13dec
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.76