Information Exposure Affecting kernel-core package, versions <0:5.14.0-70.17.1.el9_0


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.12% (48th 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-RHEL9-KERNELCORE-5568175
  • published 11 May 2022
  • disclosed 2 May 2022

How to fix?

Upgrade RHEL:9 kernel-core to version 0:5.14.0-70.17.1.el9_0 or higher.
This issue was patched in RHSA-2022:5249.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-core package as distributed by RHEL. See How to fix? for RHEL:9 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
Expand this section

NVD

8.2 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

Red Hat

6.5 medium
Expand this section

SUSE

6.5 medium