#VU54292 Race condition in Linux kernel - CVE-2021-3609

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Main Vulnerability Database Vulnerabilities #VU54292

#VU54292 Race condition in Linux kernel - CVE-2021-3609

Published: June 21, 2021


Vulnerability identifier: #VU54292
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2021-3609
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the CAN BCM networking protocol (net/can/bcm.c) in the Linux kernel ranging from version 2.6.25 to mainline 5.13-rc6. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links