{"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"}}}}

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