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Red Hat: CVE-2021-20269: CVE-2021-20269 kexec-tools: incorrect permissions on kdump dmesg file (Multiple Advisories)

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Red Hat: CVE-2021-20269: CVE-2021-20269 kexec-tools: incorrect permissions on kdump dmesg file (Multiple Advisories)

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
11/09/2021
Created
11/11/2021
Added
11/10/2021
Modified
12/15/2023

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.

Solution(s)

  • redhat-upgrade-kexec-tools
  • redhat-upgrade-kexec-tools-debuginfo
  • redhat-upgrade-kexec-tools-debugsource

References

  • CVE-2021-20269
  • RHSA-2021:4404

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