Bug 2571376 (CVE-2026-40668) - CVE-2026-40668 sev: AMD SEV firmware: Authentication bypass via spoofed attestation requests
Summary: CVE-2026-40668 sev: AMD SEV firmware: Authentication bypass via spoofed attes...
Keywords:
Status: NEW
Alias: CVE-2026-40668
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-11-10 22:21 UTC by OSIDB Bzimport
Modified: 2026-11-11 02:07 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-11-10 22:21:54 UTC 
Authentication bypass by spoofing in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to request attestation reports for VMPL 0.
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