Incomplete Cleanup Affecting kernel-debug-modules-extra package, versions <0:4.18.0-305.65.1.el8_4


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (21st 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 IDSNYK-RHEL8-KERNELDEBUGMODULESEXTRA-4192022
  • published10 Aug 2022
  • disclosed14 Jun 2022

Introduced: 14 Jun 2022

CVE-2022-21123  (opens in a new tab)
CWE-459  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-debug-modules-extra to version 0:4.18.0-305.65.1.el8_4 or higher.
This issue was patched in RHSA-2022:6983.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-modules-extra package and not the kernel-debug-modules-extra package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

References

CVSS Scores

version 3.1