CVE-2026-98166
kernel: drm/ttm: fix swapped-out resources never leaving their bulk_move range
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 6, 2026
Updated · October 7, 2026
Description
A flaw was found in the Linux kernel's DRM TTM (Direct Rendering Manager Translation Table Manager) subsystem. Due to an improper status check during memory swapout operations, swapped-out buffer resources are not properly untracked, leaving stale pointers referencing freed memory. A local user could exploit this flaw during memory pressure or system hibernation events to trigger a use-after-free condition, leading to a system crash and 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-825 · Expired Pointer Dereference