CVE-2026-68387

In the Linux kernel, the following vulnerability has been resolved: can: raw: add locking for raw flags bitfield With commit 890e5198a6e5 "can: raw: use bitfields to store flags in struct rawsock" the formerly separate integer values have been integrated into a single bitfield. This led to a...

CVE-2026-68387

The CVE-2026-68387 defect affects the Linux kernel CAN raw socket path. A change to store flags in a single bitfield (struct raw_sock) introduced a read-modify-write window during raw_setsockopt() flag updates, enabling concurrent access races. The fix adds a locking wrapper around flag manipulat...