CVE-2021-20269

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.01%
Third-Party Advisory redhat.com
Affected: n/a kexec-tools
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1934261 issue tracking third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20269?
CVE-2021-20269 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20269?
To fix CVE-2021-20269, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20269 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20269 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20269?
CVE-2021-20269 affects n/a kexec-tools.
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