Bug 2571346 (CVE-2025-52537)

Summary: CVE-2025-52537 sev-firmware: sev-firmware: Loss of guest memory integrity via improper access control
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerability-draftAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in the AMD Secure Encrypted Virtualization (SEV) firmware. Due to improper access control, a local attacker with administrative privileges can tamper with memory. This vulnerability allows the attacker to compromise the integrity of guest virtual machine memory.
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Description OSIDB Bzimport 2026-11-10 21:52:19 UTC
Improper access control within the AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with administrative privileges to tamper with memory, potentially resulting in loss of guest memory integrity.