SB2025101419 - Race condition in certain AMD processors

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Main Vulnerability Database SB2025101419

SB2025101419 - Race condition in certain AMD processors

Published: October 14, 2025

Security Bulletin ID SB2025101419
CSH 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 vulnerability.


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

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N/E:U/U:Clear


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.

References