CVE-2021-20269

MEDIUM

kexec-tools < 2.0.21-8 - Unauthenticated Kernel Information Leak via Log File Permissions

Title source: llm

Description

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.

References (1)

Core 1

Core References

Issue Tracking, Third Party Advisory x_refsource_misc

https://bugzilla.redhat.com/show_bug.cgi?id=1934261

Scores

CVSS v3 5.5

EPSS 0.0024

EPSS Percentile 15.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE

CWE-276

Status published

Products (1)

kexec-tools_project/kexec-tools < 2.0.21-8

Published Mar 10, 2022

Tracked Since Feb 18, 2026