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CVE-2021-3609 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1971651 Issue Tracking  Third Party Advisory 
https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md Exploit  Technical Description  Third Party Advisory 
https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463 Patch  Third Party Advisory 
https://security.netapp.com/advisory/ntap-20220419-0004/ Third Party Advisory 
https://www.openwall.com/lists/oss-security/2021/06/19/1 Mailing List  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') cwe source acceptance level NIST   Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-3609
NVD Published Date:
03/03/2022
NVD Last Modified:
08/11/2023
Source:
Red Hat, Inc.