{"id":"CVE-2023-31342","state":"PUBLISHED","title":"Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.","description":"Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.","publishedAt":"2025-02-11T22:24:02.153Z","updatedAt":"2026-02-26T19:08:51.034Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","source":"AMD"},"assigner":"AMD","products":["AMD AMD EPYC™ 7003 Processors","AMD AMD EPYC™ 9004 Processors","AMD AMD Instinct™ MI300A","AMD AMD Ryzen™ 3000 Series Desktop Processors","AMD AMD Ryzen™ 5000 Series Desktop Processors","AMD AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics","AMD AMD Ryzen™ 7000 Series Desktop Processors","AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics","AMD AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics","AMD AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics","AMD AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors","AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics","AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics","AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics","AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics","AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics","AMD AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics","AMD AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics","AMD AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics","AMD AMD Ryzen™ 7000 Series Mobile Processors","AMD AMD EPYC™ Embedded 7003","AMD AMD EPYC™ Embedded 9004","AMD AMD Ryzen™ Embedded R1000","AMD AMD Ryzen™ Embedded R2000","AMD AMD Ryzen™ Embedded 5000","AMD AMD Ryzen™ Embedded 7000","AMD AMD Ryzen™ Embedded V2000","AMD AMD Ryzen™ Embedded V3000"],"affected":[{"vendor":"AMD","product":"AMD EPYC™ 7003 Processors","defaultStatus":"affected","versions":[{"version":"MilanPI 1.0.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ 9004 Processors","defaultStatus":"affected","versions":[{"version":"GenoaPI 1.0.0.B","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Instinct™ MI300A","defaultStatus":"affected","versions":[{"version":"MI300API 1.0.0.5","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 3000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM4v2PI 1.2.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM4v2PI 1.2.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"ComboAM4v2PI 1.2.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM5 1.1.0.2","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"ComboAM4v2PI 1.2.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"ComboAM4v2PI 1.2.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"ComboAM5 1.1.0.2","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ChagallWSPI-sWRX8 1.0.0.7","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"Pollock-FT5 1.0.0.7","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"Picasso-FP5 1.0.1.1","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"RenoirPI-FP6 1.0.0.D","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"Cezanne-FP6 1.0.1.0","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"MendocinoPI-FT6 1.0.0.6","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"Rembrandt-FP7 1.0.0.A","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"Rembrandt-FP7 1.0.0.A","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"PhoenixPI-FP8-FP7 1.1.0.2","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7000 Series Mobile Processors","defaultStatus":"affected","versions":[{"version":"DragonRangeFL1PI 1.0.0.3C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 7003","defaultStatus":"affected","versions":[{"version":"EmbMilanPI-SP3  1.0.0.8","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 9004","defaultStatus":"affected","versions":[{"version":"EmbGenoaPI-SP5 1.0.0.6","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded R1000","defaultStatus":"affected","versions":[{"version":"EmbeddedPI-FP5 1.2.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded R2000","defaultStatus":"affected","versions":[{"version":"EmbeddedR2KPI-FP5 1.0.0.3","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded 5000","defaultStatus":"affected","versions":[{"version":"EmbAM4PI 1.0.0.5","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded 7000","defaultStatus":"affected","versions":[{"version":"EmbeddedAM5PI 1.0.0.1","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded V2000","defaultStatus":"affected","versions":[{"version":"EmbeddedPI-FP6 1.0.0.9","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded V3000","defaultStatus":"affected","versions":[{"version":"Embedded-PI FP7r2 1.0.0.9","status":"unaffected"}]}],"references":["https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html","https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4008.html","https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html"],"weaknesses":["CWE-1220"],"ingestedAt":"2026-10-29T20:06:00.499Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/31xxx/CVE-2023-31342.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-31342","state":"PUBLISHED","datePublished":"2025-02-11T22:24:02.153Z","dateUpdated":"2026-02-26T19:08:51.034Z","assignerShortName":"AMD","assignerOrgId":"b58fc414-a1e4-4f92-9d70-1add41838648","dateReserved":"2023-04-27T15:25:41.425Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution."}],"affected":[{"vendor":"AMD","product":"AMD EPYC™ 7003 Processors","defaultStatus":"affected","versions":[{"version":"MilanPI 1.0.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ 9004 Processors","defaultStatus":"affected","versions":[{"version":"GenoaPI 1.0.0.B","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Instinct™ MI300A","defaultStatus":"affected","versions":[{"version":"MI300API 1.0.0.5","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 3000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM4v2PI 1.2.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM4v2PI 1.2.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"ComboAM4v2PI 1.2.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM5 1.1.0.2","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"ComboAM4v2PI 1.2.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"ComboAM4v2PI 1.2.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"ComboAM5 1.1.0.2","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ChagallWSPI-sWRX8 1.0.0.7","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"Pollock-FT5 1.0.0.7","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"Picasso-FP5 1.0.1.1","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"RenoirPI-FP6 1.0.0.D","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"Cezanne-FP6 1.0.1.0","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"MendocinoPI-FT6 1.0.0.6","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"Rembrandt-FP7 1.0.0.A","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"Rembrandt-FP7 1.0.0.A","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"PhoenixPI-FP8-FP7 1.1.0.2","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7000 Series Mobile Processors","defaultStatus":"affected","versions":[{"version":"DragonRangeFL1PI 1.0.0.3C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 7003","defaultStatus":"affected","versions":[{"version":"EmbMilanPI-SP3  1.0.0.8","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 9004","defaultStatus":"affected","versions":[{"version":"EmbGenoaPI-SP5 1.0.0.6","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded R1000","defaultStatus":"affected","versions":[{"version":"EmbeddedPI-FP5 1.2.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded R2000","defaultStatus":"affected","versions":[{"version":"EmbeddedR2KPI-FP5 1.0.0.3","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded 5000","defaultStatus":"affected","versions":[{"version":"EmbAM4PI 1.0.0.5","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded 7000","defaultStatus":"affected","versions":[{"version":"EmbeddedAM5PI 1.0.0.1","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded V2000","defaultStatus":"affected","versions":[{"version":"EmbeddedPI-FP6 1.0.0.9","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded V3000","defaultStatus":"affected","versions":[{"version":"Embedded-PI FP7r2 1.0.0.9","status":"unaffected"}]}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html"},{"url":"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4008.html"},{"url":"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html"}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1220","description":"CWE-1220 Insufficient Granularity of Access Control","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"AMD","orgId":"b58fc414-a1e4-4f92-9d70-1add41838648","dateUpdated":"2025-09-23T21:23:17.849Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-31342","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-04-24T03:55:33.409726Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-26T19:08:51.034Z"}}]}}}