SB2025091981 - Use-after-free in Linux kernel drm meson driver
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091981
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-2022-50378)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the meson_drv_unbind() function in drivers/gpu/drm/meson/meson_drv.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/31c519981eb141c7ec39bfd5be25d35f02edb868
- https://git.kernel.org/stable/c/9190d287f7a6b02b50b510045b0edf448ed68e88
- https://git.kernel.org/stable/c/9d33348513c36337f91f1991da23f41514d4de39
- https://git.kernel.org/stable/c/d76ff04a72f90767455059c8239b06042cd0ed23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.75