Use After Free Affecting torvalds/linux package, versions [,4.3.3)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.25% (48th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3006586
  • published26 Jan 2022
  • disclosed16 Nov 2016
  • creditUnknown

Introduced: 16 Nov 2016

CVE-2015-8961  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 4.3.3 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.

CVSS Base Scores

version 3.1