CVE-2021-3773 Affecting kernel-debug-debuginfo package, versions <0:4.18.0-372.9.1.el8
Threat Intelligence
EPSS
0.65% (80th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-ROCKY8-KERNELDEBUGDEBUGINFO-3193040
- published 5 Jan 2023
- disclosed 16 Feb 2022
Introduced: 16 Feb 2022
CVE-2021-3773 Open this link in a new tabHow to fix?
Upgrade Rocky-Linux:8 kernel-debug-debuginfo to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RLSA-2022:1988.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-debuginfo package and not the kernel-debug-debuginfo package as distributed by Rocky-Linux.
See How to fix? for Rocky-Linux:8 relevant fixed versions and status.
A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3773
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3773.json
- https://bugzilla.redhat.com/show_bug.cgi?id=2004949
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://citizenlab.ca/2024/07/vulnerabilities-in-vpns-paper-presented-at-the-privacy-enhancing-technologies-symposium-2024/
CVSS Scores
version 3.1