nfc nci

  1. CVE-2026-31509 Linux NFC Locking Fix: Deadlock Risk in Close Path

    Overview CVE-2026-31509 is a Linux kernel vulnerability in the NFC NCI path that was published on April 22, 2026, and quickly drew attention because the bug is not a flashy memory corruption issue but a locking-order failure with real stability implications. The upstream fix is narrowly scoped...
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    • concurrency bug cve-2026-31509 linux kernel nfc nci
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    • Forum: Security Alerts

  2. CVE-2026-23339 Kernel Leak: nci_transceive Ownership Bug

    CVE-2026-23339 is a small-looking Linux kernel bug with the kind of lifecycle mistake that kernel engineers never ignore: nci_transceive() takes ownership of an skb, then returns early on several error paths without freeing it. The result is a memory leak on the -EPROTO, -EINVAL, and -EBUSY...