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CVE-2026-68256 drm/amd/display: detect_link_and_local_sink: DP alt mode timeout path leaks prev_sink reference

🗓️ 10 Aug 2026 12:01:26Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 34 Views

Kernel fix for leaking prev_sink in detect_link_and_local_sink during display port timeout.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/amd/display/dc/link/link_detection.c"
    ],
    "versions": [
      {
        "version": "54618888d1ea7a26f8bccfb89e3c2420350c8047",
        "lessThan": "f9922828a4ebd26286fbe0286cc61695e7d9b07b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "54618888d1ea7a26f8bccfb89e3c2420350c8047",
        "lessThan": "a59e493567d18ef3858be9368acd132a01ebfa09",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "54618888d1ea7a26f8bccfb89e3c2420350c8047",
        "lessThan": "4ee77643e6194f2deb62fe62f04396f9825e27d8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "54618888d1ea7a26f8bccfb89e3c2420350c8047",
        "lessThan": "58ea24dd96848626039296e9e8510270ec8dc4bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "54618888d1ea7a26f8bccfb89e3c2420350c8047",
        "lessThan": "a6e14b976be48eebd8769cb5b883a6af7fc5ade1",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/amd/display/dc/link/link_detection.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.148",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.101",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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