SB2024103140 - Remote authenticated code execution in FreeBSD bhyve TPM device passthrough



SB2024103140 - Remote authenticated code execution in FreeBSD bhyve TPM device passthrough

Published: October 31, 2024

Security Bulletin ID SB2024103140
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) Buffer overflow (CVE-ID: CVE-2024-41928)

The vulnerability allows a malicious guest to execute arbitrary code on the hypervisor.

The vulnerability exists due to a boundary error within the TPM device passthrough implementation in bhyve(8). A malicious guest can trigger memory corruption and execute arbitrary code on the hypervisor.


Remediation

Install update from vendor's website.