SB2025101419 - Race condition in certain AMD processors



SB2025101419 - Race condition in certain AMD processors

Published: October 14, 2025

Security Bulletin ID SB2025101419
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Race condition (CVE-ID: CVE-2025-0033)

The vulnerability allows a malicious hypervisor to escalate privileges on the system.

The vulnerability exists due to a race condition that can occur while the AMD Secure Processor (ASP) is initializing the RMP. A malicious hypervisor can corrupt the Reverse Map Table (RMP) during Secure Nested Paging (SNP) initialization resulting in loss of SEV-SNP guest memory integrity.


Remediation

Install update from vendor's website.