#VU100617 Use-after-free in Linux kernel - CVE-2023-52921
Published: November 19, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU100617
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-2023-52921
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 amdgpu_cs_pass1() function in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/9a2393af1f35d1975204fc00035c64a1c792b278
- https://git.kernel.org/stable/c/e08e9dd09809b16f8f8cee8c466841b33d24ed96
- https://git.kernel.org/stable/c/90e065677e0362a777b9db97ea21d43a39211399
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.46
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5