{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-64166",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T07:54:57.038Z",
        "datePublished": "2026-07-19T15:40:51.305Z",
        "dateUpdated": "2026-07-19T15:40:51.305Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-19T15:40:51.305Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/firmware/arm_ffa/bus.c"
                    ],
                    "versions": [
                        {
                            "version": "92743071464fca5acbbe812d9a0d88de3eaaad36",
                            "lessThan": "f98f131256beaddd51ad468e95d90d857fef12bf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "92743071464fca5acbbe812d9a0d88de3eaaad36",
                            "lessThan": "bc499d1acddbb75b5b4bce05f5296dd8ef9611fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "92743071464fca5acbbe812d9a0d88de3eaaad36",
                            "lessThan": "adfff93d08a2e12ecf2a1eba272d18bc749f13c0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "92743071464fca5acbbe812d9a0d88de3eaaad36",
                            "lessThan": "34f59211984f66788390e7469f3e99d3796db4a8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "92743071464fca5acbbe812d9a0d88de3eaaad36",
                            "lessThan": "820245d86ce58898fb48b4fefc77d0cafc02801d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "92743071464fca5acbbe812d9a0d88de3eaaad36",
                            "lessThan": "198f6c86d508ed562f07dc00276cac6dbb5dd3bf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "92743071464fca5acbbe812d9a0d88de3eaaad36",
                            "lessThan": "0a5e695095c557d2380131b613dea4e8d90371be",
                            "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/firmware/arm_ffa/bus.c"
                    ],
                    "versions": [
                        {
                            "version": "5.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.142",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.92",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.34",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.11",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "5.15.209"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.1.175"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.6.142"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.12.92"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.18.34"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "7.0.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f98f131256beaddd51ad468e95d90d857fef12bf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bc499d1acddbb75b5b4bce05f5296dd8ef9611fd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/adfff93d08a2e12ecf2a1eba272d18bc749f13c0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/34f59211984f66788390e7469f3e99d3796db4a8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/820245d86ce58898fb48b4fefc77d0cafc02801d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/198f6c86d508ed562f07dc00276cac6dbb5dd3bf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0a5e695095c557d2380131b613dea4e8d90371be"
                }
            ],
            "title": "firmware: arm_ffa: Check for NULL FF-A ID table while driver registration",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}