CVE-2026-80801

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80801", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.794Z", "datePublished": "2026-09-04T15:13:15.263Z", "dateUpdated": "2026-10-19T08:43:54.522Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:43:54.522Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: microread: validate target discovery payload lengths\n\nmicroread_target_discovered() parses target discovery payloads from\nskb->data according to the HCI gate. The fixed field offsets and UID\ncopies were checked only against the destination nfc_target buffers, not\nagainst the actual skb length.\n\nValidate that each gate-specific payload contains the fixed fields and\nUID bytes before reading or copying them."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nfc/microread/microread.c"], "versions": [{"version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "lessThan": "c6de4241f2efbbab286efbb84a9c7190298b3052", "status": "affected", "versionType": "git"}, {"version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "lessThan": "92a6f0201bb68391b5eba1b3f330af007d7323b6", "status": "affected", "versionType": "git"}, {"version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "lessThan": "cb298672282421159e53ab311fe49d204c8a52da", "status": "affected", "versionType": "git"}, {"version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "lessThan": "18f02354ed229b8e4561b580812d026e7eb29c85", "status": "affected", "versionType": "git"}, {"version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "lessThan": "e6397fe7b8b5ef18e051f49612d40ff476c5f7d9", "status": "affected", "versionType": "git"}, {"version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "lessThan": "d0902a7c454326c6384c614226ab8987f3fd425d", "status": "affected", "versionType": "git"}, {"version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "lessThan": "dabfa26a208e56f4d8dbf26fddc48f188bdb0649", "status": "affected", "versionType": "git"}, {"version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "lessThan": "953963b9ac5eecbb316617d337bfaa3d731e3c5e", "status": "affected", "versionType": "git"}, {"version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "lessThan": "25519469972ef57c3edb1805dabd6c5612b90211", "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/nfc/microread/microread.c"], "versions": [{"version": "3.9", "status": "affected"}, {"version": "0", "lessThan": "3.9", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.267", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.218", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.185", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.154", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.106", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.47", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.11", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.1", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "3.9", "versionEndExcluding": "5.10.267"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "5.15.218"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "6.1.185"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "6.6.154"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "6.12.106"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "6.18.47"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "7.1.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "7.2.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c6de4241f2efbbab286efbb84a9c7190298b3052"}, {"url": "https://git.kernel.org/stable/c/92a6f0201bb68391b5eba1b3f330af007d7323b6"}, {"url": "https://git.kernel.org/stable/c/cb298672282421159e53ab311fe49d204c8a52da"}, {"url": "https://git.kernel.org/stable/c/18f02354ed229b8e4561b580812d026e7eb29c85"}, {"url": "https://git.kernel.org/stable/c/e6397fe7b8b5ef18e051f49612d40ff476c5f7d9"}, {"url": "https://git.kernel.org/stable/c/d0902a7c454326c6384c614226ab8987f3fd425d"}, {"url": "https://git.kernel.org/stable/c/dabfa26a208e56f4d8dbf26fddc48f188bdb0649"}, {"url": "https://git.kernel.org/stable/c/953963b9ac5eecbb316617d337bfaa3d731e3c5e"}, {"url": "https://git.kernel.org/stable/c/25519469972ef57c3edb1805dabd6c5612b90211"}], "title": "nfc: microread: validate target discovery payload lengths", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/nfc/microread/microread.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c6de4241f2efbbab286efbb84a9c7190298b3052", "status": "affected", "version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "versionType": "git"}, {"lessThan": "92a6f0201bb68391b5eba1b3f330af007d7323b6", "status": "affected", "version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "versionType": "git"}, {"lessThan": "cb298672282421159e53ab311fe49d204c8a52da", "status": "affected", "version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "versionType": "git"}, {"lessThan": "18f02354ed229b8e4561b580812d026e7eb29c85", "status": "affected", "version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "versionType": "git"}, {"lessThan": "e6397fe7b8b5ef18e051f49612d40ff476c5f7d9", "status": "affected", "version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "versionType": "git"}, {"lessThan": "d0902a7c454326c6384c614226ab8987f3fd425d", "status": "affected", "version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "versionType": "git"}, {"lessThan": "dabfa26a208e56f4d8dbf26fddc48f188bdb0649", "status": "affected", "version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "versionType": "git"}, {"lessThan": "953963b9ac5eecbb316617d337bfaa3d731e3c5e", "status": "affected", "version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "versionType": "git"}, {"lessThan": "25519469972ef57c3edb1805dabd6c5612b90211", "status": "affected", "version": "cfad1ba87150e198be9ea32367a24e500e59de2c", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/nfc/microread/microread.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.9"}, {"lessThan": "3.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.267", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.218", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.185", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.154", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.106", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.47", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.11", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.1", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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\nnfc: microread: validate target discovery payload lengths\n\nmicroread_target_discovered() parses target discovery payloads from\nskb->data according to the HCI gate. The fixed field offsets and UID\ncopies were checked only against the destination nfc_target buffers, not\nagainst the actual skb length.\n\nValidate that each gate-specific payload contains the fixed fields and\nUID bytes before reading or copying them."}], "id": "CVE-2026-80801", "lastModified": "2026-10-19T09:17:14.610", "metrics": {}, "published": "2026-09-04T16:18:06.960", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/18f02354ed229b8e4561b580812d026e7eb29c85"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/25519469972ef57c3edb1805dabd6c5612b90211"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/92a6f0201bb68391b5eba1b3f330af007d7323b6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/953963b9ac5eecbb316617d337bfaa3d731e3c5e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c6de4241f2efbbab286efbb84a9c7190298b3052"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cb298672282421159e53ab311fe49d204c8a52da"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d0902a7c454326c6384c614226ab8987f3fd425d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dabfa26a208e56f4d8dbf26fddc48f188bdb0649"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e6397fe7b8b5ef18e051f49612d40ff476c5f7d9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

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