#VU106838 Use of uninitialized resource in Linux kernel - CVE-2025-21987
Published: April 2, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106838
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21987
CWE-ID: CWE-908
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 perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the amdgpu_ttm_clear_buffer() function in drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/5bd98c2df4a0f2e2dcbdf563feb8d348406377b5
- https://git.kernel.org/stable/c/d2c9625b0ade41f9917875d88173a0cc802b95fc
- https://git.kernel.org/stable/c/d3c7059b6a8600fc62cd863f1ea203b8675e63e1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14