Information Exposure Affecting torvalds/linux package, versions [,5.4.92)


Severity

Recommended
0.0
low
0
10

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

Threat Intelligence

EPSS
0.09% (28th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3006651
  • published26 Jan 2022
  • disclosed28 May 2021
  • creditUnknown

Introduced: 28 May 2021

CVE-2021-20239  (opens in a new tab)
CWE-200  (opens in a new tab)
CWE-822  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.4.92 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure. A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest threat from this vulnerability is to confidentiality.

CVSS Base Scores

version 3.1