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CVE-2026-63851 drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 enc ring

🗓️ 19 Jul 2026 14:04:42Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 34 Views

The vcn no_user_fence fix for the four zero five encoder ring rejects sixty four bit user fences.

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/amdgpu/vcn_v4_0_5.c"
    ],
    "versions": [
      {
        "version": "547aad32edac17a3ec4989d8aad2426d0cbeb590",
        "lessThan": "75091030f07b7957cc0646cd52e2d9d15f611483",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "547aad32edac17a3ec4989d8aad2426d0cbeb590",
        "lessThan": "6d9a98c5ed65ba92a09e4ca5a5f6941448145529",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "547aad32edac17a3ec4989d8aad2426d0cbeb590",
        "lessThan": "7f23b5c420b9f68a210c29c5123bace670aa8cc9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "547aad32edac17a3ec4989d8aad2426d0cbeb590",
        "lessThan": "589a254bf3e88204c8402b9cbccd5e23a0af990f",
        "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/amdgpu/vcn_v4_0_5.c"
    ],
    "versions": [
      {
        "version": "6.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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