CVE-2021-20269
5.5 · MEDIUMOverview
CVE-2021-20269 is a medium-severity vulnerability affecting kexec-tools_project kexec-tools. It was published on March 10, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from kexec-tools_project. Update kexec-tools to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| kexec-tools_project | kexec-tools | >= 0, < 2.0.21-8 | Affected |
Frequently Asked Questions
What is CVE-2021-20269?
CVE-2021-20269 is a medium-severity vulnerability affecting kexec-tools_project kexec-tools. It was published on March 10, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2021-20269?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-20269?
Check the references section for vendor advisories and patches from kexec-tools_project. Update kexec-tools to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-20269?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-20269 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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