Use After Free Affecting torvalds/linux package, versions [,6.0-rc4)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.59% (68th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3041972
  • published10 Oct 2022
  • disclosed10 Oct 2022
  • creditUnknown

Introduced: 10 Oct 2022

CVE-2022-42703  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 6.0-rc4 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free in mm/rmap.c due to leaf anon_vma function double reuse.

CVSS Base Scores

version 3.1