Bug 2571380 (CVE-2026-0480) - CVE-2026-0480 sev: AMD SEV: Guest memory compromise via forged SEV-TIO request messages
Summary: CVE-2026-0480 sev: AMD SEV: Guest memory compromise via forged SEV-TIO reques...
Keywords:
Status: NEW
Alias: CVE-2026-0480
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-11-10 22:22 UTC by OSIDB Bzimport
Modified: 2026-11-11 02:08 UTC (History)
0 users

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Description OSIDB Bzimport 2026-11-10 22:22:15 UTC 
Missing Authentication for Critical Function in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to forge SEV-TIO guest request messages potentially compromising SEV-SNP guest memory integrity and confidentiality.
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