Use After Free Affecting torvalds/linux package, versions [,6.7-rc4)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.02% (3rd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-6132374
  • published20 Dec 2023
  • disclosed19 Dec 2023
  • creditUnknown

Introduced: 19 Dec 2023

CVE-2023-6932  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 6.7-rc4 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free via the IPv4 IGMP implementation. An attacker can achieve privilege escalation or cause a system crash by exploiting a race condition to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread.

CVSS Base Scores

version 3.1