CVE-2021-46949: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: sfc: farch: fix TX queue lookup in TX flush done handling We're starting from a TXQ instance number ('qid'), not a TXQ type, so efx_get_tx_queue() is inappropriate (and could return NULL, leading to panics).

Affected products

• Linux Linux Kernel: from 5.10.0, before 5.10.36 (fixed in 5.10.36); from 5.11.0, before 5.11.20 (fixed in 5.11.20); from 5.12.0, before 5.12.3 (fixed in 5.12.3)

Published 2024-02-27. Last modified 2026-06-17.