FKIE_CVE-2026-53142

Vulnerability from fkie_nvd - Published: 2026-06-25 09:16 - Updated: 2026-06-30 14:44
Severity
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)
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0f68ddfaaebfbb5581ee931779757d31f4dc9e24
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/238bcdaae8f2abc65e182de7d1f69cf8f611a610
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/68938cc08e23a94fd881e845837ff918de005ce7
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/xe/display/xe_display.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0f68ddfaaebfbb5581ee931779757d31f4dc9e24",
              "status": "affected",
              "version": "44e694958b95395bd1c41508c88c8ca141bf9bd7",
              "versionType": "git"
            },
            {
              "lessThan": "238bcdaae8f2abc65e182de7d1f69cf8f611a610",
              "status": "affected",
              "version": "44e694958b95395bd1c41508c88c8ca141bf9bd7",
              "versionType": "git"
            },
            {
              "lessThan": "68938cc08e23a94fd881e845837ff918de005ce7",
              "status": "affected",
              "version": "44e694958b95395bd1c41508c88c8ca141bf9bd7",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/xe/display/xe_display.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.8"
            },
            {
              "lessThan": "6.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.36",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.13",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/display: fix oops in suspend/shutdown without display\n\nThe xe driver keeps track of whether to probe display, and whether\ndisplay hardware is there, using xe-\u003einfo.probe_display. It gets set to\nfalse if there\u0027s no display after intel_display_device_probe(). However,\nthe display may also be disabled via fuses, detected at a later time in\nintel_display_device_info_runtime_init().\n\nIn this case, the xe driver does for_each_intel_crtc() on uninitialized\nmode config in xe_display_flush_cleanup_work(), leading to a NULL\npointer dereference, and generally calls display code with display info\ncleared.\n\nCheck for intel_display_device_present() after\nintel_display_device_info_runtime_init(), and reset\nxe-\u003einfo.probe_display as necessary. Also do unset_display_features()\nfor completeness, although display runtime init has already done\nthat. This will need to be unified across all cases later.\n\nMove intel_display_device_info_runtime_init() call slightly earlier,\nsimilar to i915, to avoid a bunch of unnecessary setup for no display\ncases.\n\nNote #1: The xe driver has no business doing low level display plumbing\nlike for_each_intel_crtc() to begin with. It all needs to happen in\ndisplay code.\n\nNote #2: The actual bug is present already in commit 44e694958b95\n(\"drm/xe/display: Implement display support\"), but the oops was likely\nintroduced later at commit ddf6492e0e50 (\"drm/xe/display: Make display\nsuspend/resume work on discrete\").\n\n(cherry picked from commit 7c3eb9f47533220888a67266448185fd0775d4da)"
    }
  ],
  "id": "CVE-2026-53142",
  "lastModified": "2026-06-30T14:44:27.313",
  "metrics": {},
  "published": "2026-06-25T09:16:31.513",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/0f68ddfaaebfbb5581ee931779757d31f4dc9e24"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/238bcdaae8f2abc65e182de7d1f69cf8f611a610"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/68938cc08e23a94fd881e845837ff918de005ce7"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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