CVE-2025-71083
kernel: Kernel: Denial of Service via NULL pointer dereference in drm/ttm
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 13, 2026
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel. A local user could exploit a NULL pointer dereference vulnerability in the drm/ttm component. This occurs when a Buffer Object (BO) is evicted and devcoredump attempts to read its contents, potentially leading to a system crash and a Denial of Service (DoS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference