{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "92743071464fca5acbbe812d9a0d88de3eaaad36"
            },
            {
              "fixed": "f98f131256beaddd51ad468e95d90d857fef12bf"
            },
            {
              "fixed": "bc499d1acddbb75b5b4bce05f5296dd8ef9611fd"
            },
            {
              "fixed": "adfff93d08a2e12ecf2a1eba272d18bc749f13c0"
            },
            {
              "fixed": "34f59211984f66788390e7469f3e99d3796db4a8"
            },
            {
              "fixed": "820245d86ce58898fb48b4fefc77d0cafc02801d"
            },
            {
              "fixed": "198f6c86d508ed562f07dc00276cac6dbb5dd3bf"
            },
            {
              "fixed": "0a5e695095c557d2380131b613dea4e8d90371be"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.14.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.142"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.92"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.34"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64166.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_ffa: Check for NULL FF-A ID table while driver registration\n\nThe bus match callback assumes that every FF-A driver provides an\nid_table and dereferences it unconditionally. Enforce that contract at\nregistration time so a buggy client driver cannot crash the bus during\nmatch.",
  "id": "CVE-2026-64166",
  "modified": "2026-07-21T03:41:57.612721710Z",
  "published": "2026-07-19T15:40:51.305Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0a5e695095c557d2380131b613dea4e8d90371be"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/198f6c86d508ed562f07dc00276cac6dbb5dd3bf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/34f59211984f66788390e7469f3e99d3796db4a8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/820245d86ce58898fb48b4fefc77d0cafc02801d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/adfff93d08a2e12ecf2a1eba272d18bc749f13c0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bc499d1acddbb75b5b4bce05f5296dd8ef9611fd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f98f131256beaddd51ad468e95d90d857fef12bf"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64166.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64166"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "firmware: arm_ffa: Check for NULL FF-A ID table while driver registration"
}