#VU116410 Use-after-free in Linux kernel - CVE-2022-50454
Published: October 3, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116410
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-2022-50454
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 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 repository.
External links
- 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