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5.3 Medium

CVE-2023-20582 Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table…

Description

Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.

Affected products and versions

Product Affected versions Fixed in
AMD EPYC™ 9004 Processors Versions not published
AMD EPYC™ Embedded 9004 Versions not published

Other CVEs of AMD EPYC™ 9004 Processors

The 11 CVEs of AMD EPYC™ 9004 Processors →
CVE-2023-31345 Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading… 7.5 High CVE-2023-31352 A bug in the SEV firmware may allow an attacker with privileges to read unencrypted memory, potentially resulting in… 6.0 Medium CVE-2023-31343 Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading… 7.5 High CVE-2023-31342 Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading… 7.5 High
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