Information Exposure Affecting kernel-rt-debug-modules package, versions <0:4.18.0-372.9.1.rt7.166.el8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.65% (81st percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGMODULES-4243560
  • published21 Sept 2021
  • disclosed8 Sept 2021

Introduced: 8 Sep 2021

CVE-2021-3773  (opens in a new tab)
CWE-200  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:8 kernel-rt-debug-modules to version 0:4.18.0-372.9.1.rt7.166.el8 or higher.
This issue was patched in RHSA-2022:1975.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules package and not the kernel-rt-debug-modules package as distributed by RHEL. See How to fix? for RHEL: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.

CVSS Scores

version 3.1