SB2023032304 - Amazon Linux AMI update for kernel



SB2023032304 - Amazon Linux AMI update for kernel

Published: March 23, 2023

Security Bulletin ID SB2023032304
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Memory leak (CVE-ID: CVE-2022-3524)

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the ipv6_renew_options() function when retrieving a new IPv6 address from a malicious DHCP server. A remote attacker can force the system to leak memory and perform denial of service attack.


Remediation

Install update from vendor's website.