CVE-2021-3609
HIGH 7.0EPSS 0.4%
.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
- kernel
- CVSS v3.1 NVD
- 7.0 HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 6.9 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C - EPSS
- 0.43% chance of exploitation in the next 30 days, 36th percentile
- Published
- 2022-03-03
- Updated
- 2024-08-03
Proof-of-concept exploits (1)
- nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md103★ · 2022-11-20
Security advisories
- https://bugzilla.redhat.com/show_bug.cgi?id=1971651
- torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463
- https://security.netapp.com/advisory/ntap-20220419-0004
- https://www.openwall.com/lists/oss-security/2021/06/19/1