{"id":"CVE-2026-80624","state":"PUBLISHED","title":"mfd: cs42l43: Sanity check firmware size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: cs42l43: Sanity check firmware size\n\nCurrently the code checks if a firmware was received, however it does\nnot verify that the firmware size is larger than the firmware header. As\nthe firmware pointer is dereferenced as a pointer to the header\nstructure this could lead to an out of bounds memory access. Add the\nmissing check.","publishedAt":"2026-08-28T06:48:42.983Z","updatedAt":"2026-08-28T06:48:42.983Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ace6d14481386ec6c1b63cc2b24c71433a583dc2","status":"affected","lessThan":"2ce02059ceb6311a33026b62e6e4dc4ed22a3aef","versionType":"git"},{"version":"ace6d14481386ec6c1b63cc2b24c71433a583dc2","status":"affected","lessThan":"197a4c54d8a94fe2fb7829661b29f0859c10feb5","versionType":"git"},{"version":"ace6d14481386ec6c1b63cc2b24c71433a583dc2","status":"affected","lessThan":"d35e4032f16d7621468c8b56816e7935ebf590a7","versionType":"git"},{"version":"ace6d14481386ec6c1b63cc2b24c71433a583dc2","status":"affected","lessThan":"17d79248b4f370663f9d351409a130fc1ed9416d","versionType":"git"},{"version":"ace6d14481386ec6c1b63cc2b24c71433a583dc2","status":"affected","lessThan":"b6ef1a74b3ec254f87a6a3c554fe8f8083ebd37c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mfd/cs42l43.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mfd/cs42l43.c"]}],"references":["https://git.kernel.org/stable/c/2ce02059ceb6311a33026b62e6e4dc4ed22a3aef","https://git.kernel.org/stable/c/197a4c54d8a94fe2fb7829661b29f0859c10feb5","https://git.kernel.org/stable/c/d35e4032f16d7621468c8b56816e7935ebf590a7","https://git.kernel.org/stable/c/17d79248b4f370663f9d351409a130fc1ed9416d","https://git.kernel.org/stable/c/b6ef1a74b3ec254f87a6a3c554fe8f8083ebd37c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80624.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80624","state":"PUBLISHED","datePublished":"2026-08-28T06:48:42.983Z","dateUpdated":"2026-08-28T06:48:42.983Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-26T14:34:25.775Z"},"containers":{"cna":{"title":"mfd: cs42l43: Sanity check firmware size","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: cs42l43: Sanity check firmware size\n\nCurrently the code checks if a firmware was received, however it does\nnot verify that the firmware size is larger than the firmware header. As\nthe firmware pointer is dereferenced as a pointer to the header\nstructure this could lead to an out of bounds memory access. Add the\nmissing check."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ace6d14481386ec6c1b63cc2b24c71433a583dc2","status":"affected","lessThan":"2ce02059ceb6311a33026b62e6e4dc4ed22a3aef","versionType":"git"},{"version":"ace6d14481386ec6c1b63cc2b24c71433a583dc2","status":"affected","lessThan":"197a4c54d8a94fe2fb7829661b29f0859c10feb5","versionType":"git"},{"version":"ace6d14481386ec6c1b63cc2b24c71433a583dc2","status":"affected","lessThan":"d35e4032f16d7621468c8b56816e7935ebf590a7","versionType":"git"},{"version":"ace6d14481386ec6c1b63cc2b24c71433a583dc2","status":"affected","lessThan":"17d79248b4f370663f9d351409a130fc1ed9416d","versionType":"git"},{"version":"ace6d14481386ec6c1b63cc2b24c71433a583dc2","status":"affected","lessThan":"b6ef1a74b3ec254f87a6a3c554fe8f8083ebd37c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mfd/cs42l43.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mfd/cs42l43.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2ce02059ceb6311a33026b62e6e4dc4ed22a3aef"},{"url":"https://git.kernel.org/stable/c/197a4c54d8a94fe2fb7829661b29f0859c10feb5"},{"url":"https://git.kernel.org/stable/c/d35e4032f16d7621468c8b56816e7935ebf590a7"},{"url":"https://git.kernel.org/stable/c/17d79248b4f370663f9d351409a130fc1ed9416d"},{"url":"https://git.kernel.org/stable/c/b6ef1a74b3ec254f87a6a3c554fe8f8083ebd37c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-28T06:48:42.983Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}