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Vulnerabilities

CVE-2026-40670 | BDVDB-2026-403073 Detail

AMDAMD EPYC™ 9004 Series Processors

Description#

Improper check for unusual or exceptional conditions in AMD Secure Encrypted Virtualization - Secure Nested Paging (SEV-SNP) could allow a privileged attacker to potentially overlap MMIO regions with DRAM regions resulting in loss of integrity.

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact none, availability impact none. Attack vector: local.

Weaknesses#

  • CWE-754 Improper Check for Unusual or Exceptional Conditions

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.