CVE-2026-53201

HighCVSS 7.8/10Last modified Jul 6, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

Revert "drm/xe: Skip exec queue schedule toggle if queue is idle during suspend"

This reverts commit 8533051ce92015e9cc6f75e0d52119b9d91610b6.

The idle-skip optimization bypasses GuC suspend, so the GPU may not perform the context switch that flushes TLB entries for invalidated userptr VMAs. In LR/preempt-fence VM mode, this can lead to missed TLB invalidation and page faults during userptr invalidation tests.

Restore unconditional schedule toggling on suspend so the context-switch TLB flush is always performed.

This optimization will be reintroduced with a fix that does not skip suspend in LR/preempt-fence VM mode.

(cherry picked from commit 6a1e7934d9a6cf46aecae00a99c2603d1295e170)

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
Jun 25, 2026
Last modified
Jul 6, 2026
NVD status
Analyzed

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