SB2025100478 - Use-after-free in Linux kernel drm msm driver
Published: October 4, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100478
CSH 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 vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-50492)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 8.5 [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]
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the msm_drm_uninit() function in drivers/gpu/drm/msm/msm_drv.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.