CVE-2021-46949 Information

Description

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).

Reference

https://git.kernel.org/stable/c/fb791572d6747ef385f628450f8d57cd132e6e5a https://git.kernel.org/stable/c/a1570985ec04116cc665b760faf666a104154170 https://git.kernel.org/stable/c/98d91180748986bfb6dfb3e72765f3225719a647 https://git.kernel.org/stable/c/5b1faa92289b53cad654123ed2bc8e10f6ddd4ac