Use of a Broken or Risky Cryptographic Algorithm Affecting kernel-64k-debug package, versions <0:5.14.0-362.8.1.el9_3


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-RHEL9-KERNEL64KDEBUG-8461633
  • published5 Dec 2024
  • disclosed7 Jun 2023

Introduced: 7 Jun 2023

CVE-2023-1206  (opens in a new tab)
CWE-327  (opens in a new tab)

How to fix?

Upgrade RHEL:9 kernel-64k-debug to version 0:5.14.0-362.8.1.el9_3 or higher.
This issue was patched in RHSA-2023:6583.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-64k-debug package and not the kernel-64k-debug package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.

CVSS Scores

version 3.1