{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-21968",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-21968"
  ],
  "published": "2025-04-01T15:46:27Z",
  "summary": "drm/amd/display: Fix slab-use-after-free on hdcp_work",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix slab-use-after-free on hdcp_work\n\n[Why]\nA slab-use-after-free is reported when HDCP is destroyed but the\nproperty_validate_dwork queue is still running.\n\n[How]\nCancel the delayed work when destroying workqueue.\n\n(cherry picked from commit 725a04ba5a95e89c89633d4322430cfbca7ce128)",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.132",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-21968"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/06acfdef370ae018dad9592369e2d2fd9a40c09e"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1397715b011bcdc6ad91b17df7acaee301e89db5"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4964dbc4191ab436877a5e3ecd9c67a4e50b7c36"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/378b361e2e30e9729f9a7676f7926868d14f4326"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/bac7b8b1a3f1a86eeec85835af106cbdc2b9d9f7"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/93d701064e56788663d7c5918fbe5e060d5df587"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e65e7bea220c3ce8c4c793b4ba35557f4994ab2b"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}