CVE-2025-54503

Published Nov 10, 2026 CWE-1260

Description

Improper handling of overlap between protected memory ranges in the Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker to cause misconfigurations in the RMP potentially resulting in loss of integrity.

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Weakness Type (CWE)

CWE-1260 CWE-1260

References

Frequently Asked Questions

What is CVE-2025-54503? +
Improper handling of overlap between protected memory ranges in the Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker to cause misconfigurations in the RMP potentially resulting in loss of integrity.
How do I check if I'm vulnerable to CVE-2025-54503? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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