AMD IOMMU can read past the device table, Xen says (CVE-2024-21963)
The Xen excerpt says some AMD IOMMUs read beyond a device table whose size the OS or hypervisor chose.
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Ubuntu patches Linux kernel flaws, including AMD SEV-SNP issue
A local attacker with hypervisor access could use CVE-2023-20585 to corrupt SEV-SNP guest memory integrity.