CVE-2021-20269
low
CVSS v3
—
CVSS v2
—
VIR risk
2.5
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-20269
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:4404
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-20269.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | affected | | |
| sles | affected | | |
| rocky | 8 | fixed | |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
References
Verify integrity in audit chain (admin only). AS-IS.