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


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.08% (24th percentile)

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  • 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