#VU111437 Use-after-free in Linux kernel - CVE-2022-50214
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111437
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-2022-50214
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 coresight_remove_match() function in drivers/hwtracing/coresight/coresight-core.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/2af89ebacf299b7fba5f3087d35e8a286ec33706
- https://git.kernel.org/stable/c/847b9273dd61567fb77617eabc5fa002594db062
- https://git.kernel.org/stable/c/b49b29ee113a87997bcca0bb0585bb46582846c1
- https://git.kernel.org/stable/c/bc57850fcb7e4cb91b6321d0ce83357cefd55c54
- https://git.kernel.org/stable/c/d43e967963c4d1b2b49f894d2f1b12865f87b098
- https://git.kernel.org/stable/c/e9205d8dd1cafb7cff689ef9ddf06276a68f54a4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.211