CVE-2021-20269

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.

• CWE-276
• CWE-276

• https://bugzilla.redhat.com/show_bug.cgi?id=1934261Issue Tracking, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1934261Issue Tracking, Third Party Advisory

Published

Mar 10, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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