CVE-2026-72122

CVE-2026-72122 (Linux kernel) fixes a race in the CAN BCM path. The issue arises when bcm_sendmsg() reads bo->ifindex and bo->bound without holding the socket lock, while bcm_notify(), bcm_connect() and bcm_release() update both fields under the same lock. The unsynchronized reads and write...

CVE-2026-72122 can: bcm: fix lockless bound/ifindex race and silent RX_SETUP failure

In the Linux kernel, the following vulnerability has been resolved: can: bcm: fix lockless bound/ifindex race and silent RXSETUP failure bcmsendmsg reads bo-ifindex and checks bo-bound before taking locksock, while bcmnotify, bcmconnect and bcmrelease all mutate both fields under that same lock...