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CVE-2022-23818

HIGHCVSS 7.5/10EPSS 0.50%

Last modified

CVE-2022-23818 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Insufficient input validation on the model specific register: VM_HSAVE_PA may potentially lead to loss of SEV-SNP guest memory integrity. . EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

Insufficient input validation on the model specific register: VM_HSAVE_PA may potentially lead to loss of SEV-SNP guest memory integrity.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability
0.50%

39.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AmdEpyc 72f3 Firmwaremilanpi_1.0.0.9
AmdEpyc 7313 Firmwaremilanpi_1.0.0.9
AmdEpyc 7313p Firmwaremilanpi_1.0.0.9
AmdEpyc 7343 Firmwaremilanpi_1.0.0.9
AmdEpyc 7373x Firmwaremilanpi_1.0.0.9
AmdEpyc 73f3 Firmwaremilanpi_1.0.0.9
AmdEpyc 7413 Firmwaremilanpi_1.0.0.9
AmdEpyc 7443 Firmwaremilanpi_1.0.0.9
AmdEpyc 7443p Firmwaremilanpi_1.0.0.9
AmdEpyc 7453 Firmwaremilanpi_1.0.0.9
AmdEpyc 7473x Firmwaremilanpi_1.0.0.9
AmdEpyc 74f3 Firmwaremilanpi_1.0.0.9
AmdEpyc 7513 Firmwaremilanpi_1.0.0.9
AmdEpyc 7543 Firmwaremilanpi_1.0.0.9
AmdEpyc 7543p Firmwaremilanpi_1.0.0.9
AmdEpyc 7573x Firmwaremilanpi_1.0.0.9
AmdEpyc 75f3 Firmwaremilanpi_1.0.0.9
AmdEpyc 7643 Firmwaremilanpi_1.0.0.9
AmdEpyc 7663 Firmwaremilanpi_1.0.0.9
AmdEpyc 7713 Firmwaremilanpi_1.0.0.9
AmdEpyc 7713p Firmwaremilanpi_1.0.0.9
AmdEpyc 7763 Firmwaremilanpi_1.0.0.9
AmdEpyc 7773x Firmwaremilanpi_1.0.0.9

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-23818?
Insufficient input validation on the model specific register: VM_HSAVE_PA may potentially lead to loss of SEV-SNP guest memory integrity.
How severe is CVE-2022-23818?
CVE-2022-23818 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2022-23818?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-23818?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST