Information Exposure Affecting torvalds/linux package, versions [3.18-rc2,5.14-rc6)


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-2935909
  • published26 Jun 2022
  • disclosed26 Jun 2022
  • creditAlois Wohlschlager

Introduced: 26 Jun 2022

CVE-2021-3732  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.14-rc6 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure via the OverlayFS subsystem due to a logic bug. It is possible when a local attacker has permission to mount the TmpFS filesystem with OverlayFS.

CVSS Base Scores

version 3.1