{
    "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"
            }
        }
    }
}