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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1971651

https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463

https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md

https://www.openwall.com/lists/oss-security/2021/06/19/1

https://security.netapp.com/advisory/ntap-20220419-0004/

Details

Risk Information

CVSS v2

CVSS v3