Use After Free Affecting torvalds/linux package, versions [,v6.6-rc1)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.01% (2nd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-5969527
  • published16 Oct 2023
  • disclosed16 Oct 2023
  • creditGreg Kroah-Hartman

Introduced: 16 Oct 2023

CVE-2023-45898  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version v6.6-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free in the es1 function of fs/ext4/extents_status.c. An attacker can insert an extent via ext4_es_insert_extent. This could lead to unexpected behaviour or crashes.

CVSS Base Scores

version 3.1