Information Exposure Affecting kernel-debug-modules package, versions <0:4.18.0-372.19.1.el8_6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELDEBUGMODULES-4312422
  • published11 May 2022
  • disclosed2 May 2022

Introduced: 2 May 2022

CVE-2022-1012  (opens in a new tab)
CWE-200  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:8 kernel-debug-modules to version 0:4.18.0-372.19.1.el8_6 or higher.
This issue was patched in RHSA-2022:5819.

NVD Description

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

A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.

CVSS Scores

version 3.1