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.

Risk Information

Base Score

5.5

MODERATE

Vector

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

EPSS Score

Exploitation Probability

0.025

Associated Vulnerability

Vulnerability	OS Platform
(RHSA-2021:4404)Low: security, bug fix, and enhancement update kexec-tools-2.0.20-57.el8.x86_64.rpm	Linux
(RHSA-2021:4404)Low: security, bug fix, and enhancement update kexec-tools-debuginfo-2.0.20-57.el8.x86_64.rpm	Linux
(RHSA-2021:4404)Low: security, bug fix, and enhancement update kexec-tools-debugsource-2.0.20-57.el8.x86_64.rpm	Linux
Kexec-tools update (ELSA-2021-4404) kexec-tools-2.0.20-57.0.3.el8.x86_64.rpm	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234