Use After Free Affecting torvalds/linux package, versions [,5.18-rc5)


Severity

Recommended
0.0
low
0
10

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

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.02% (3rd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-2932138
  • published20 Jun 2022
  • disclosed20 Jun 2022
  • creditMinh Yuan

Introduced: 20 Jun 2022

CVE-2022-33981  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.18-rc5 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free due to concurrency flaw after deallocating raw_cmd in the raw_cmd_ioctl function.

CVSS Base Scores

version 3.1