<p>Upgrade <code>Centos:8</code> <code>kexec-tools</code> to version 0:2.0.20-57.el8 or higher.</p>

Incorrect Default Permissions Affecting kexec-tools package, versions <0:2.0.20-57.el8

Snyk CVSS

Attack Complexity High

Confidentiality High

Threat Intelligence

EPSS 0.04% (12^th percentile)

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Snyk ID SNYK-CENTOS8-KEXECTOOLS-2147101
published 26 Jul 2021
disclosed 2 Mar 2021

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Introduced: 2 Mar 2021

CVE-2021-20269 Open this link in a new tab CWE-276 Open this link in a new tab

How to fix?

Upgrade Centos:8 kexec-tools to version 0:2.0.20-57.el8 or higher.

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 Centos. See How to fix? for Centos:8 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.