SB2024013009 - Remote code execution in Linux kernel ICMPv6 support



SB2024013009 - Remote code execution in Linux kernel ICMPv6 support

Published: January 30, 2024 Updated: June 25, 2024

Security Bulletin ID SB2024013009
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Race condition (CVE-ID: CVE-2023-6200)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a race condition within the ndisc_router_discovery() function when handling ICMPv6 router advertisement packets. A remote attacker on the local network can send specially crafted ICMPv6 router advertisement packets, trigger a use-after-free error and execute arbitrary code on the system.


Remediation

Install update from vendor's website.