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CVE-2026-53142 (GCVE-0-2026-53142)

Vulnerability from cvelistv5 – Published: 2026-06-25 08:38 – Updated: 2026-07-04 11:50
VLAI
Title
drm/xe/display: fix oops in suspend/shutdown without display
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/xe/display: fix oops in suspend/shutdown without display The xe driver keeps track of whether to probe display, and whether display hardware is there, using xe->info.probe_display. It gets set to false if there's no display after intel_display_device_probe(). However, the display may also be disabled via fuses, detected at a later time in intel_display_device_info_runtime_init(). In this case, the xe driver does for_each_intel_crtc() on uninitialized mode config in xe_display_flush_cleanup_work(), leading to a NULL pointer dereference, and generally calls display code with display info cleared. Check for intel_display_device_present() after intel_display_device_info_runtime_init(), and reset xe->info.probe_display as necessary. Also do unset_display_features() for completeness, although display runtime init has already done that. This will need to be unified across all cases later. Move intel_display_device_info_runtime_init() call slightly earlier, similar to i915, to avoid a bunch of unnecessary setup for no display cases. Note #1: The xe driver has no business doing low level display plumbing like for_each_intel_crtc() to begin with. It all needs to happen in display code. Note #2: The actual bug is present already in commit 44e694958b95 ("drm/xe/display: Implement display support"), but the oops was likely introduced later at commit ddf6492e0e50 ("drm/xe/display: Make display suspend/resume work on discrete"). (cherry picked from commit 7c3eb9f47533220888a67266448185fd0775d4da)
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 44e694958b95395bd1c41508c88c8ca141bf9bd7 , < ddf1fe4c043aa42e46aef87b815d5deeed2fcd7b (git)
Affected: 44e694958b95395bd1c41508c88c8ca141bf9bd7 , < 0f68ddfaaebfbb5581ee931779757d31f4dc9e24 (git)
Affected: 44e694958b95395bd1c41508c88c8ca141bf9bd7 , < 238bcdaae8f2abc65e182de7d1f69cf8f611a610 (git)
Affected: 44e694958b95395bd1c41508c88c8ca141bf9bd7 , < 68938cc08e23a94fd881e845837ff918de005ce7 (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.12.95 , ≤ 6.12.* (semver)
Unaffected: 6.18.36 , ≤ 6.18.* (semver)
Unaffected: 7.0.13 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "current_release_date": "2026-09-15T02:02:33Z",
      "cve": "CVE-2026-53142",
      "id": "CVE-2026-53142",
      "initial_release_date": "2026-06-26T02:12:18Z",
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      "product_status:recommended": "18",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-53142",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-53142.json",
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  }
}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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