CVE-2023-52507

CVE-2023-52507 affects the Linux kernel NFC stack (nfc: nci) where the protocol is validated via a bitmask; the issue arises from an assertion that the requested protocol is below the maximum, preventing a potential shift-out-of-bounds and clarifying errors between undefined vs. unsupported proto...

CVE-2023-52507 nfc: nci: assert requested protocol is valid

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: assert requested protocol is valid The protocol is used in a bit mask to determine if the protocol is supported. Assert the provided protocol is less than the maximum defined so it doesn't potentially perform a...