Bug 2571383 (CVE-2025-48504)

Summary: CVE-2025-48504 sev: SEV: Guest memory compromise via metadata page manipulation
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Secure Encrypted Virtualization (SEV) firmware. Due to improper handling of resources after release, a malicious hypervisor can manipulate metadata pages. This issue allows a privileged attacker on the host to compromise the confidentiality and integrity of guest virtual machine memory.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-11-10 22:22:28 UTC
Operation on a resource after expiration or release in the Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to manipulate metadata pages potentially resulting in the loss of confidentiality and integrity of guest memory.