SB2024103138 - Remote authenticated code execution in FreeBSD bhyve



SB2024103138 - Remote authenticated code execution in FreeBSD bhyve

Published: October 31, 2024

Security Bulletin ID SB2024103138
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2024-32668)

The vulnerability allows a malicious guest to compromise the hypervisor.

The vulnerability exists due to a boundary error in bhyve(8) when emulating a USB controller. A malicious guest can trigger an out-of-bounds write and execute arbitrary code on the hypervisor as root.


Remediation

Install update from vendor's website.