SB2025100305 - Use-after-free in Linux kernel drm nouveau driver
Published: October 3, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100305
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-2022-50454)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nouveau_gem_prime_import_sg_table() function in drivers/gpu/drm/nouveau/nouveau_prime.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/3aeda2fe6517cc52663d4ce3588dd43f0d4124a7
- https://git.kernel.org/stable/c/540dfd188ea2940582841c1c220bd035a7db0e51
- https://git.kernel.org/stable/c/56ee9577915dc06f55309901012a9ef68dbdb5a8
- https://git.kernel.org/stable/c/5d6093c49c098d86c7b136aba9922df44aeb6944
- https://git.kernel.org/stable/c/7d80473e9f12548ac05b36af4fb9ce80f2f73509
- https://git.kernel.org/stable/c/861f085f81fd569b02cc2c11165a9e6cca144424
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.75