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CVE-2026-68383

drm/xe/guc: Keep scheduler timeline name alive

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.12.114, 6.16, 6.17, 6.18.57, 7.1.6
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: Keep scheduler timeline name alive The scheduler keeps a pointer to the timeline name, but q->name is freed with the exec queue while scheduler fences can still reference it. Store the name in struct xe_guc_exec_queue so it shares the scheduler's RCU-deferred lifetime. (cherry picked from commit 41075f0eb5dcbd3b065d15f15ef7bbe9315188e8)

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From b17fcce70733c211cb5dabf54f4f9491920b1d92 · fixed in eac2839585741e6c1b4af261a0b58bca0d6f5436; From 6bd90e700b4285e6a7541e00f969cab0d696adde · fixed in 88c38ff74f8345fcf8852549f94025754019b037; From 6bd90e700b4285e6a7541e00f969cab0d696adde · fixed in 77fd62412431e8c80ef2ad61466bc76fe425f80a; From 6bd90e700b4285e6a7541e00f969cab0d696adde · fixed in 299bc6d50b1bed7d1f408391736712f01a0855e2; From 6.12.43 · fixed in 6.12.114; From 6.15.11 · fixed in 6.16; From 6.16.2 · fixed in 6.17

  • Linux Linux

    6.17

  • KernelLinux

    fixed in 6.12.114; From 6.13.0 · fixed in 6.18.57; From 6.17.0 · fixed in 7.1.6

References 4

git.kernel.org