nfc: microread: validate target discovery payload lengths
Summary
| CVE | CVE-2026-80801 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-04 16:18:06 UTC |
| Updated | 2026-09-04 16:18:06 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: nfc: microread: validate target discovery payload lengths microread_target_discovered() parses target discovery payloads from skb->data according to the HCI gate. The fixed field offsets and UID copies were checked only against the destination nfc_target buffers, not against the actual skb length. Validate that each gate-specific payload contains the fixed fields and UID bytes before reading or copying them. |
Risk And Classification
EPSS: 0.001950000 probability, percentile 0.092720000 (date 2026-09-05)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected cfad1ba87150e198be9ea32367a24e500e59de2c c6de4241f2efbbab286efbb84a9c7190298b3052 git | Not specified |
| CNA | Linux | Linux | affected cfad1ba87150e198be9ea32367a24e500e59de2c 92a6f0201bb68391b5eba1b3f330af007d7323b6 git | Not specified |
| CNA | Linux | Linux | affected cfad1ba87150e198be9ea32367a24e500e59de2c cb298672282421159e53ab311fe49d204c8a52da git | Not specified |
| CNA | Linux | Linux | affected cfad1ba87150e198be9ea32367a24e500e59de2c 18f02354ed229b8e4561b580812d026e7eb29c85 git | Not specified |
| CNA | Linux | Linux | affected cfad1ba87150e198be9ea32367a24e500e59de2c e6397fe7b8b5ef18e051f49612d40ff476c5f7d9 git | Not specified |
| CNA | Linux | Linux | affected cfad1ba87150e198be9ea32367a24e500e59de2c d0902a7c454326c6384c614226ab8987f3fd425d git | Not specified |
| CNA | Linux | Linux | affected cfad1ba87150e198be9ea32367a24e500e59de2c dabfa26a208e56f4d8dbf26fddc48f188bdb0649 git | Not specified |
| CNA | Linux | Linux | affected cfad1ba87150e198be9ea32367a24e500e59de2c 953963b9ac5eecbb316617d337bfaa3d731e3c5e git | Not specified |
| CNA | Linux | Linux | affected cfad1ba87150e198be9ea32367a24e500e59de2c 25519469972ef57c3edb1805dabd6c5612b90211 git | Not specified |
| CNA | Linux | Linux | affected 3.9 | Not specified |
| CNA | Linux | Linux | unaffected 3.9 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.267 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.218 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.185 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.154 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.106 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.47 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1.11 7.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2.1 7.2.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.3-rc1 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/d0902a7c454326c6384c614226ab8987f3fd425d | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/c6de4241f2efbbab286efbb84a9c7190298b3052 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/92a6f0201bb68391b5eba1b3f330af007d7323b6 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/25519469972ef57c3edb1805dabd6c5612b90211 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/953963b9ac5eecbb316617d337bfaa3d731e3c5e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/e6397fe7b8b5ef18e051f49612d40ff476c5f7d9 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/18f02354ed229b8e4561b580812d026e7eb29c85 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/dabfa26a208e56f4d8dbf26fddc48f188bdb0649 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/cb298672282421159e53ab311fe49d204c8a52da | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.