{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-64475",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-64475"
  ],
  "published": "2026-07-25T08:51:45Z",
  "summary": "vfio/pci: Release the VGA arbiter client on register_device() failure",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nvfio/pci: Release the VGA arbiter client on register_device() failure\n\nThe re-order in the Fixes commit below displaced vfio_pci_vga_init() as\nthe last failure point of what is now vfio_pci_core_register_device()\nwithout introducing an unwind for the VGA arbiter registration.\n\nIn current kernels this is mostly benign because vfio_pci_set_decode()\nonly uses pci_dev state, but the original failure path could leave a\ncallback with a freed vdev cookie.  The stale registration also becomes\nunsafe again once the callback follows drvdata to the vfio device.\n\nAdd the required VGA unwind callout.",
  "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": "6.1.178",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-64475"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0f2a35a0c7ea7da347b814750eaa78adf3582381"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8d65decde9afd2bd78bcfffdc0df73b82a0b5509"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/ef4c38d30b3744e89eb5048218904bb629ea8d47"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9e0a3f642e607848669235f5069f35640abbfc88"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/42d758a09d2c46c42357ecde9a5492f015bde2e5"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/52adb2dff7ce3d8430e2bdc5988b618a430def85"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/278a5659c391fe5afe5f9ce1bad1fd24e90144f1"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/daedde7f024ecf88bc8e832ed40cf2c795f0796a"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-17T05:24:08Z"
  }
}