Incorrect Default Permissions Affecting kexec-tools package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-RHEL7-KEXECTOOLS-1403158
  • published26 Jul 2021
  • disclosed2 Mar 2021

Introduced: 2 Mar 2021

CVE-2021-20269  (opens in a new tab)
CWE-276  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 kexec-tools.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kexec-tools package and not the kexec-tools package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.

CVSS Scores

version 3.1