SB2024121808 - Remote denial of service in Xen



SB2024121808 - Remote denial of service in Xen

Published: December 18, 2024

Security Bulletin ID SB2024121808
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
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) NULL pointer dereference (CVE-ID: CVE-2024-53240)

The vulnerability allows a remote backend to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the guest xen-netfront driver. A a malicious network backend can crash the guest OS.


Remediation

Install update from vendor's website.