CVE-2025-54507
AMD SEV Improper RMP Entry Validation Vulnerability
Description
Improper validation of consistency within input in AMD SEV (Secure Encrypted Virtualization) firmware could allow an attacker with administrative privileges to create multiple RMP entries for the same guest physical address, potentially resulting in loss of guest integrity.
INFO
Published Date :
Nov. 12, 2026, 7:20 p.m.
Last Modified :
Nov. 12, 2026, 7:20 p.m.
Remotely Exploit :
No
Source :
AMD
Affected Products
The following products are affected by CVE-2025-54507
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | b58fc414-a1e4-4f92-9d70-1add41838648 |
Solution
- Apply firmware updates for AMD SEV.
- Validate RMP entry consistency.
- Restrict administrative privileges.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-54507 vulnerability anywhere in the article.