Incorrect Authorization Affecting torvalds/linux package, versions [,5.19-rc1)


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
0.01% (1st percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-5425130
  • published17 Apr 2023
  • disclosed5 Dec 2022
  • creditUnknown

Introduced: 5 Dec 2022

CVE-2022-20572  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.19-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Incorrect Authorization. In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

CVSS Base Scores

version 3.1