CVE-2026-80624

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80624", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.775Z", "datePublished": "2026-08-28T06:48:42.983Z", "dateUpdated": "2026-08-28T06:48:42.983Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-28T06:48:42.983Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mfd/cs42l43.c"], "versions": [{"version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2", "lessThan": "2ce02059ceb6311a33026b62e6e4dc4ed22a3aef", "status": "affected", "versionType": "git"}, {"version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2", "lessThan": "197a4c54d8a94fe2fb7829661b29f0859c10feb5", "status": "affected", "versionType": "git"}, {"version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2", "lessThan": "d35e4032f16d7621468c8b56816e7935ebf590a7", "status": "affected", "versionType": "git"}, {"version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2", "lessThan": "17d79248b4f370663f9d351409a130fc1ed9416d", "status": "affected", "versionType": "git"}, {"version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2", "lessThan": "b6ef1a74b3ec254f87a6a3c554fe8f8083ebd37c", "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/mfd/cs42l43.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "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"}]}]}], "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"}], "title": "mfd: cs42l43: Sanity check firmware size", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/mfd/cs42l43.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "2ce02059ceb6311a33026b62e6e4dc4ed22a3aef", "status": "affected", "version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2", "versionType": "git"}, {"lessThan": "197a4c54d8a94fe2fb7829661b29f0859c10feb5", "status": "affected", "version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2", "versionType": "git"}, {"lessThan": "d35e4032f16d7621468c8b56816e7935ebf590a7", "status": "affected", "version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2", "versionType": "git"}, {"lessThan": "17d79248b4f370663f9d351409a130fc1ed9416d", "status": "affected", "version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2", "versionType": "git"}, {"lessThan": "b6ef1a74b3ec254f87a6a3c554fe8f8083ebd37c", "status": "affected", "version": "ace6d14481386ec6c1b63cc2b24c71433a583dc2", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/mfd/cs42l43.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"lessThan": "6.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-80624", "lastModified": "2026-08-28T08:16:46.543", "metrics": {}, "published": "2026-08-28T08:16:46.543", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/17d79248b4f370663f9d351409a130fc1ed9416d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/197a4c54d8a94fe2fb7829661b29f0859c10feb5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2ce02059ceb6311a33026b62e6e4dc4ed22a3aef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b6ef1a74b3ec254f87a6a3c554fe8f8083ebd37c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d35e4032f16d7621468c8b56816e7935ebf590a7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: mfd: cs42l43: Sanity check firmware size", "id": "2525442", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2525442"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-805", "details": ["A flaw was found in the Linux kernel's `mfd: cs42l43` component. This vulnerability occurs because the system does not properly verify that the received firmware's size is larger than its header. An attacker could exploit this by providing a malformed firmware, leading to an out-of-bounds memory access. This could potentially result in system instability or other unpredictable behavior."], "name": "CVE-2026-80624", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80624\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80624\nhttps://lore.kernel.org/linux-cve-announce/2026082837-CVE-2026-80624-0e64@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ace6d14481386ec6c1b63cc2b24c71433a583dc2,2ce02059ceb6311a33026b62e6e4dc4ed22a3aef)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ace6d14481386ec6c1b63cc2b24c71433a583dc2,197a4c54d8a94fe2fb7829661b29f0859c10feb5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ace6d14481386ec6c1b63cc2b24c71433a583dc2,d35e4032f16d7621468c8b56816e7935ebf590a7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ace6d14481386ec6c1b63cc2b24c71433a583dc2,17d79248b4f370663f9d351409a130fc1ed9416d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ace6d14481386ec6c1b63cc2b24c71433a583dc2,b6ef1a74b3ec254f87a6a3c554fe8f8083ebd37c)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-28T09:45:17.382538+00:00", "updated": "2026-09-02T05:45:04.842850+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}