vulnerability
Red Hat: CVE-2021-20269: CVE-2021-20269 kexec-tools: incorrect permissions on kdump dmesg file (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:P/I:N/A:N) | Nov 9, 2021 | Nov 10, 2021 | Aug 11, 2025 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
Nov 9, 2021
Added
Nov 10, 2021
Modified
Aug 11, 2025
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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-kexec-toolsredhat-upgrade-kexec-tools-debuginforedhat-upgrade-kexec-tools-debugsource
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