{"affected":[{"defaultStatus":"affected","product":"AMD EPYC™ 9005 Series Processors","source":"CNA: AMD","vendor":"AMD","versions":[{"status":"unaffected","version":"TurinPI_1.0.0.A"}]},{"defaultStatus":"affected","product":"AMD EPYC™ Embedded 9005 Series Processors","source":"CNA: AMD","vendor":"AMD","versions":[{"status":"unaffected","version":"EmbeddedTurinPI_SP5_1004"}]}],"cveId":"CVE-2025-54508","cwes":["CWE-179"],"description":"Improper validation of Reverse Map Table (RMP) entries in the Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker to trigger concurrent modifications to RMP entries without proper synchronization potentially resulting in loss of data integrity.","epss":{"date":"2026-11-12","percentile":0.0529,"score":0.0016},"exploits":[],"kev":null,"metrics":[{"score":4,"severity":"medium","source":"CNA: AMD","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N","version":"4.0"},{"score":4,"severity":"medium","source":"NVD: psirt@amd.com","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"}],"modifiedAt":1794611400153,"publishedAt":1794347045041,"references":[{"source":"CNA: AMD","tags":[],"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3037.html"},{"source":"psirt@amd.com","tags":[],"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3037.html"}],"remediation":[],"revision":"a0d05d0938e65136e6083cf2cba1841db830e2b6a16022acbe9023eb5d800585","sources":[{"modifiedAt":1794526763309,"name":"CNA: AMD","retrievedAt":1794528512601,"url":"https://www.cve.org/CVERecord?id=CVE-2025-54508"},{"modifiedAt":1794611400153,"name":"NVD","retrievedAt":1794615418532,"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54508"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794528529369,"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-54508"}],"ssvc":{"assessedAt":1794526731520,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"CVE-2025-54508","updatedAt":1794615418532}