CVE-2021-20269: Kexec-Tools Project Kexec-Tools

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

  • Kexec-Tools Project Kexec-Tools: before 2.0.21-8 (fixed in 2.0.21-8); before 2.0.20-47 (fixed in 2.0.20-47)

Published 2022-03-10. Last modified 2026-06-17.