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CVE-2024-21980

kernel: hw:amd: Guest Memory Vulnerability in SNP

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.

CVSS 3.1 · 7.9 High EPSS < 1% KEV · Not listed
Vendors
Amd
Products
Epyc 7003 Firmware Epyc 7203 Epyc 7203 Firmware and 171 more
CVE-2024-21978

linux-firmware: hw:amd: Improper input validation in SEV-SNP

Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data corruption.

CVSS 3.1 · 6 Medium EPSS < 1% KEV · Not listed
Vendors
Amd
Products
Epyc 7003 Firmware Epyc 7203 Epyc 7203 Firmware and 171 more
CVE-2023-31355

linux-firmware: hw:amd: Improper Restriction of Write Operations in SNP Firmware

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest.

CVSS 3.1 · 6 Medium EPSS < 1% KEV · Not listed
Vendors
Amd
Products
Epyc 7203 Epyc 7203 Firmware Epyc 7203p and 169 more