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...

CVE-2026-72359 drm/xe: fix NPD in bo_meminfo()

In the Linux kernel, the following vulnerability has been resolved: drm/xe: fix NPD in bomeminfo When a buffer object is purged, its ttm.resource is set to NULL via the TTM pipeline gutting flow. However, the BO remains in the client's object list until userspace explicitly closes the GEM handle...

PT-2026-72547

In the Linux kernel, the following vulnerability has been resolved: drm/xe: fix NPD in bo meminfo When a buffer object is purged, its ttm.resource is set to NULL via the TTM pipeline gutting flow. However, the BO remains in the client's object list until userspace explicitly closes the GEM handle...

CVE-2026-63884

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...

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 ...

CVE-2025-71296

In the Linux kernel, the following vulnerability has been resolved: drm/tests: shmem: Hold reservation lock around purge Acquire and release the GEM object's reservation lock around calls to the object's purge operation. The tests use drmgemshmempurgelocked, which led to errors such as show below...