Use After Free Affecting torvalds/linux package, versions [,5.6)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.58% (68th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3006692
  • published26 Jan 2022
  • disclosed3 Dec 2020
  • creditUnknown

Introduced: 3 Dec 2020

CVE-2020-14381  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.6 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. A flaw was found in the Linux kernel’s futex implementation. This flaw allows a local attacker to corrupt system memory or escalate their privileges when creating a futex on a filesystem that is about to be unmounted. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

References

CVSS Base Scores

version 3.1