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CVE-2025-40276 drm/panthor: Flush shmem writes before mapping buffers CPU-uncached

🗓️ 06 Dec 2025 21:50:59Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 14 Views

Fixed drm panthor flaw: flush shared memory writes before mapping buffers to prevent cache leaks and data corruption.

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/panthor/panthor_gem.c"
    ],
    "versions": [
      {
        "version": "8a1cc07578bf42d85f008316873d710ff684dd29",
        "lessThan": "8355eea2a2e9c323021dfdcb95d7767d382123c4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a1cc07578bf42d85f008316873d710ff684dd29",
        "lessThan": "7a12f9c96d06b145562f76ffb20369b4692f0911",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a1cc07578bf42d85f008316873d710ff684dd29",
        "lessThan": "576c930e5e7dcb937648490611a83f1bf0171048",
        "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/panthor/panthor_gem.c"
    ],
    "versions": [
      {
        "version": "6.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.64",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.9",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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