Race Condition Affecting torvalds/linux package, versions [,5.15-rc5)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-2932149
  • published20 Jun 2022
  • disclosed20 Jun 2022
  • creditUnknown

Introduced: 20 Jun 2022

CVE-2021-20321  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.15-rc5 or higher.

Overview

Affected versions of this package are vulnerable to Race Condition when accessing file objects in the OverlayFS subsystem, exploiting this vulnerability is possible in the way users do rename in a specific way with OverlayFS.

CVSS Base Scores

version 3.1