Race Condition Affecting kernel-default package, versions <5.3.18-59.19.1


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Race Condition vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-SLES153-KERNELDEFAULT-2668542
  • published14 Apr 2022
  • disclosed14 Aug 2021

Introduced: 14 Aug 2021

CVE-2021-3609  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 kernel-default to version 5.3.18-59.19.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default package and not the kernel-default package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

.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.

CVSS Scores

version 3.1