FKIE_CVE-2026-97431

Vulnerability from fkie_nvd - Published: 2026-09-24 17:17 - Updated: 2026-09-25 13:17
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid DPMS-on for phantom stream [Why & How] Calling dc_update_planes_and_stream separately for stream and its phantom stream causes a NULL pointer dereference, since the phantom is destroyed on the first call. Skip the call for phantom streams.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/10f5f9c0ef32d08b228bfee3684b62f36f395852
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f2463fc246d3c39be1371389c52b29418ad673d0
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f2463fc246d3c39be1371389c52b29418ad673d0",
              "status": "affected",
              "version": "9c6669c2e21a2d9b3f3857883c715a302ae64ac0",
              "versionType": "git"
            },
            {
              "lessThan": "10f5f9c0ef32d08b228bfee3684b62f36f395852",
              "status": "affected",
              "version": "9c6669c2e21a2d9b3f3857883c715a302ae64ac0",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "lessThan": "6.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.53",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "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/amd/display: Avoid DPMS-on for phantom stream\n\n[Why \u0026 How]\nCalling dc_update_planes_and_stream separately for stream and its\nphantom stream causes a NULL pointer dereference, since the phantom is\ndestroyed on the first call.\n\nSkip the call for phantom streams."
    }
  ],
  "id": "CVE-2026-97431",
  "lastModified": "2026-09-25T13:17:26.733",
  "metrics": {},
  "published": "2026-09-24T17:17:21.123",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/10f5f9c0ef32d08b228bfee3684b62f36f395852"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f2463fc246d3c39be1371389c52b29418ad673d0"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



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