Bug 2302920 (CVE-2024-21980)

Summary: CVE-2024-21980 kernel: hw:amd: Guest Memory Vulnerability in SNP
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in SNP firmware. This vulnerability allows a malicious hypervisor to overwrite a guest's memory or UMC seed, resulting in loss of confidentiality and integrity via improper restriction of write operations.
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Description OSIDB Bzimport 2024-08-05 16:20:38 UTC
Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.