{"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"}}}}