CVE-2026-80801
nfc: microread: validate target discovery payload lengths
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 4, 2026 |
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Affected Versions
Linux / Linux
cfad1ba87150e198be9ea32367a24e500e59de2c < c6de4241f2efbbab286efbb84a9c7190298b3052 cfad1ba87150e198be9ea32367a24e500e59de2c < 92a6f0201bb68391b5eba1b3f330af007d7323b6 cfad1ba87150e198be9ea32367a24e500e59de2c < cb298672282421159e53ab311fe49d204c8a52da cfad1ba87150e198be9ea32367a24e500e59de2c < 18f02354ed229b8e4561b580812d026e7eb29c85 cfad1ba87150e198be9ea32367a24e500e59de2c < e6397fe7b8b5ef18e051f49612d40ff476c5f7d9 cfad1ba87150e198be9ea32367a24e500e59de2c < d0902a7c454326c6384c614226ab8987f3fd425d cfad1ba87150e198be9ea32367a24e500e59de2c < dabfa26a208e56f4d8dbf26fddc48f188bdb0649 cfad1ba87150e198be9ea32367a24e500e59de2c < 953963b9ac5eecbb316617d337bfaa3d731e3c5e cfad1ba87150e198be9ea32367a24e500e59de2c < 25519469972ef57c3edb1805dabd6c5612b90211
Linux / Linux
3.9
References
git.kernel.org: https://git.kernel.org/stable/c/c6de4241f2efbbab286efbb84a9c7190298b3052 git.kernel.org: https://git.kernel.org/stable/c/92a6f0201bb68391b5eba1b3f330af007d7323b6 git.kernel.org: https://git.kernel.org/stable/c/cb298672282421159e53ab311fe49d204c8a52da git.kernel.org: https://git.kernel.org/stable/c/18f02354ed229b8e4561b580812d026e7eb29c85 git.kernel.org: https://git.kernel.org/stable/c/e6397fe7b8b5ef18e051f49612d40ff476c5f7d9 git.kernel.org: https://git.kernel.org/stable/c/d0902a7c454326c6384c614226ab8987f3fd425d git.kernel.org: https://git.kernel.org/stable/c/dabfa26a208e56f4d8dbf26fddc48f188bdb0649 git.kernel.org: https://git.kernel.org/stable/c/953963b9ac5eecbb316617d337bfaa3d731e3c5e git.kernel.org: https://git.kernel.org/stable/c/25519469972ef57c3edb1805dabd6c5612b90211