CVE-2026-72122 | Linux Kernel up to 7.2-rc3 bcm net/can/bcm.c bcm_sendmsg ifindex race condition

A vulnerability described as very critical has been identified in Linux Kernel up to 7.2-rc3. This impacts the function bcm_sendmsg of the file net/can/bcm.c of the component bcm. Such manipulation of the argument ifindex leads to race condition.

This vulnerability is uniquely identified as CVE-2026-72122. The attack can be launched remotely. No exploit exists.

Upgrading the affected component is recommended.