SB20250619157 - Use-after-free in Linux kernel hwtracing coresight driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619157
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-50214)
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 website.
References
- 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