CVE-2021-20269
CVE-2021-20269 is a medium-severity vulnerability in Kexec-tools Project Kexec-tools with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (16th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-276
- Affected product: Kexec-tools Project Kexec-tools
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-20269?
- 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.
- How severe is CVE-2021-20269?
- CVE-2021-20269 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-20269 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-20269?
- CVE-2021-20269 affects Kexec-tools Project Kexec-tools. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-20269?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-20269 published?
- CVE-2021-20269 was published on 2022-03-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:kexec-tools_project:kexec-tools:*:*:*:*:*:*:*:*
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