Local Unprivileged User Can Read Kernel Internal Information via Log File in kexec-tools

Local Unprivileged User Can Read Kernel Internal Information via Log File in kexec-tools

CVE-2021-20269 · MEDIUM Severity

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

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.

Learn more about our Cis Benchmark Audit For Fedora Family Linux.