{"id":"CVE-2024-36311","state":"PUBLISHED","title":"A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read ","description":"A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.","publishedAt":"2026-02-10T19:50:06.871Z","updatedAt":"2026-02-10T20:43:15.862Z","severity":{"score":4.6,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","source":"AMD"},"assigner":"AMD","products":["AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics","AMD AMD Ryzen™ 7000 Series Desktop Processors","AMD AMD Ryzen™ 9000HX Series Mobile Processors","AMD AMD Ryzen™ 8000 Series Desktop Processors","AMD AMD Ryzen™ 9000 Series Desktop Processors","AMD AMD Ryzen™ Embedded 7000 Series Processors"],"affected":[{"vendor":"AMD","product":"AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"DragonRangeFL1PI 1.0.0.3h","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM5PI 1.0.0.b","status":"unaffected"},{"version":"ComboAM5PI 1.1.0.3d","status":"unaffected"},{"version":"ComboAM5PI 1.2.0.3d","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 9000HX Series Mobile Processors","defaultStatus":"affected","versions":[{"version":"FireRangeFL1PI 1.0.0.0a","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 8000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM5PI 1.1.0.3d","status":"unaffected"},{"version":"ComboAM5PI 1.2.0.3d","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 9000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM5PI 1.2.0.3d","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded 7000 Series Processors","defaultStatus":"affected","versions":[{"version":"EmbeddedAM5PI 1.0.0.4​","status":"unaffected"}]}],"references":["https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4013.html"],"weaknesses":["CWE-367"],"ingestedAt":"2026-10-29T20:07:30.303Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/36xxx/CVE-2024-36311.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-36311","state":"PUBLISHED","datePublished":"2026-02-10T19:50:06.871Z","dateUpdated":"2026-02-10T20:43:15.862Z","assignerShortName":"AMD","assignerOrgId":"b58fc414-a1e4-4f92-9d70-1add41838648","dateReserved":"2024-05-23T19:44:32.296Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability."}],"affected":[{"vendor":"AMD","product":"AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"DragonRangeFL1PI 1.0.0.3h","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM5PI 1.0.0.b","status":"unaffected"},{"version":"ComboAM5PI 1.1.0.3d","status":"unaffected"},{"version":"ComboAM5PI 1.2.0.3d","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 9000HX Series Mobile Processors","defaultStatus":"affected","versions":[{"version":"FireRangeFL1PI 1.0.0.0a","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 8000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM5PI 1.1.0.3d","status":"unaffected"},{"version":"ComboAM5PI 1.2.0.3d","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 9000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM5PI 1.2.0.3d","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded 7000 Series Processors","defaultStatus":"affected","versions":[{"version":"EmbeddedAM5PI 1.0.0.4​","status":"unaffected"}]}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4013.html"}],"metrics":[{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","baseScore":4.6,"baseSeverity":"MEDIUM"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-367","description":"CWE-367  Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"AMD","orgId":"b58fc414-a1e4-4f92-9d70-1add41838648","dateUpdated":"2026-02-10T19:50:06.871Z"},"datePublic":"2026-02-10T19:43:52.149Z","source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"AMD PSIRT Automation 1.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-10T20:42:21.238394Z","id":"CVE-2024-36311","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-10T20:43:15.862Z"}}]}}}