kernel: drm/i915: Fix potential UAF in TTM object purge

A flaw was found in the Linux kernel's Intel i915 graphics driver drm/i915. This use-after-free UAF vulnerability occurs during the TTM object purge operation. An attacker could potentially exploit this to cause a system crash, leading to a denial of service...

EUVD-2026-45769

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential UAF in TTM object purge TLDR: The bo-ttm object might be changed by calling ttmbovalidate, move casting it to an i915tt object later to actually get the right pointer. A user reported hitting the following...

CVE-2026-63884 drm/i915: Fix potential UAF in TTM object purge

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential UAF in TTM object purge TLDR: The bo-ttm object might be changed by calling ttmbovalidate, move casting it to an i915tt object later to actually get the right pointer. A user reported hitting the following...

PT-2026-61201

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the drm/i915 component. The problem occurs during TTM object purge when the bo-ttm object is modified by the ttm bo validate function. This can lead ...