cve 2023 46343

About this tag
CVE-2023-46343 is a Linux kernel vulnerability in the NFC (Near-Field Communication) Controller Interface SPI transport code. It is a NULL-pointer dereference bug that could allow a local attacker to cause a denial-of-service condition by crashing the kernel when processing NFC traffic. The issue was fixed upstream in Linux kernel version 6.5.9 with a one-line defensive check. This tag covers discussions about the vulnerability, its impact on Linux systems, and the patch that resolved it. While the vulnerability is specific to Linux, it may be relevant to Windows users running Linux virtual machines or WSL environments that handle NFC traffic.

  1. Linux NFC SPI NULL Pointer Fix in 6.5.9 (CVE-2023-46343)

    A straightforward NULL-pointer bug in the Linux NFC stack — fixed upstream in the 6.5.9 stable release — created a local denial‑of‑service risk that could crash kernels handling Near‑Field Communication traffic; the defect was tracked as CVE‑2023‑46343 and closed by a one‑line defensive check in...
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