Description
.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a kernel
Affects kernel v2.6.25 to v5.13-rc6affected
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1971651 ↗
- https://www.openwall.com/lists/oss-security/2021/06/19/1 ↗
- https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md ↗
- https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463 ↗
- https://security.netapp.com/advisory/ntap-20220419-0004/ ↗