{"affected":[{"defaultStatus":"affected","product":"AMD EPYC™ 7003 Series Processors","source":"CNA: AMD","vendor":"AMD","versions":[{"status":"unaffected","version":"MilanPI-SP3_1.0.0.J"}]},{"defaultStatus":"affected","product":"AMD EPYC™ 9004 Series Processors","source":"CNA: AMD","vendor":"AMD","versions":[{"status":"unaffected","version":"GenoaPI_1.0.0.H"}]},{"defaultStatus":"affected","product":"AMD EPYC™ Embedded 7003 Series Processors","source":"CNA: AMD","vendor":"AMD","versions":[{"status":"unaffected","version":"EmbMilanPI-SP3 1.0.0.D"}]},{"defaultStatus":"affected","product":"AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed \"Genoa\")","source":"CNA: AMD","vendor":"AMD","versions":[{"status":"unaffected","version":"EmbGenoaPI-SP5 1.0.0.D"}]}],"cveId":"CVE-2024-21954","cwes":["CWE-754"],"description":"Improper exception handling in IOMMU could allow an invalidate command to be sent to PCIe devices that do not support Address Translation Cache (ATC), potentially resulting in denial of service.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":7,"severity":"high","source":"CNA: AMD","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","version":"4.0"},{"score":7,"severity":"high","source":"NVD: psirt@amd.com","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/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":1794528883441,"publishedAt":1794510365496,"references":[{"source":"CNA: AMD","tags":[],"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3052.html"},{"source":"psirt@amd.com","tags":[],"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3052.html"}],"remediation":[],"revision":"0a7ebe6fd427c362275ca31d0fc55ed11cae0e97dd56567866c9f0e195a0a296","sources":[{"modifiedAt":1794528883441,"name":"CNA: AMD","retrievedAt":1794532098791,"url":"https://www.cve.org/CVERecord?id=CVE-2024-21954"},{"modifiedAt":1794511477847,"name":"NVD","retrievedAt":1794529529466,"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21954"}],"ssvc":{"assessedAt":1794528873335,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"CVE-2024-21954","updatedAt":1794532098791}