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CVE-2026-74446 drm/amdkfd: hold event_mutex while checkpointing CRIU events

🗓️ 15 Aug 2026 12:26:52Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Race in amdkfd CRIU event checkpointing causes buffer overflow or use-after-free via concurrent event insert/remove.

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/amdkfd/kfd_events.c"
    ],
    "versions": [
      {
        "version": "40e8a766a761f7fdc8530347527b344fddf6f1a8",
        "lessThan": "8f7196f25b14f4290738639a50459b56a5ff2784",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "40e8a766a761f7fdc8530347527b344fddf6f1a8",
        "lessThan": "2040b7e39027cb83bb8c7b84a4c95c2f6053c32f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "40e8a766a761f7fdc8530347527b344fddf6f1a8",
        "lessThan": "9a7f765985f64fd4a7a58f7bc9cd80a1f4230628",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "40e8a766a761f7fdc8530347527b344fddf6f1a8",
        "lessThan": "6a52f48157fa7fb81e0c146937fd6c8b0c1cfdbd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "40e8a766a761f7fdc8530347527b344fddf6f1a8",
        "lessThan": "bed80be08c0bee47fa242a4256ac873477c815f8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "40e8a766a761f7fdc8530347527b344fddf6f1a8",
        "lessThan": "ff8bc5a68a9a70bdc38d61a72c7a49c56063f9d2",
        "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/amdkfd/kfd_events.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.151",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.103",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Aug 2026 16:36Current
CVSS 3.17.8
EPSS0.00129
35