{"id":"CVE-2023-22616","aliases":["EUVD-2023-26752","GHSA-f9jq-jhvv-4xmw"],"status":"published","title":"An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register...","description":"An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register is not checked before use. The IhisiSmm driver does not check the value of a save state register before use. Due to insufficient input validation, an attacker can corrupt SMRAM.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00369,"percentile":0.31249,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-610"],"published":"2023-04-12T00:00:00Z","modified":"2026-06-17T05:35:44Z","products":[{"vendor":"insyde","product":"insydeh2o"}],"references":[{"url":"https://www.insyde.com/security-pledge","tags":["x_transferred","Vendor Advisory"]},{"url":"https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.insyde.com/security-pledge/SA-2023022","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22616"},{"url":"https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode"},{"url":"https://github.com/advisories/GHSA-f9jq-jhvv-4xmw"}],"sources":{"cve":[{"id":"CVE-2023-22616","description":"An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register is not checked before use. The IhisiSmm driver does not check the value of a save state register before use. Due to insufficient input validation, an attacker can corrupt SMRAM.","status":"published","published":"2023-04-12T00:00:00Z","modified":"2025-02-10T16:27:20.292Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-610"],"updated_at":"2026-11-02T14:35:15.779187Z"}],"euvd":[{"id":"EUVD-2023-26752","description":"An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register is not checked before use. The IhisiSmm driver does not check the value of a save state register before use. Due to insufficient input validation, an attacker can corrupt SMRAM.","status":"published","published":"2023-04-12T00:00:00Z","modified":"2025-02-10T16:27:20Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:01.319038Z"}],"ghsa":[{"id":"GHSA-f9jq-jhvv-4xmw","title":"An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register...","description":"An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register is not checked before use. The IhisiSmm driver does not check the value of a save state register before use. Due to insufficient input validation, an attacker can corrupt SMRAM.","status":"published","published":"2023-04-12T15:30:45Z","modified":"2024-04-04T03:25:22Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-610"],"updated_at":"2026-11-02T14:56:14.876837Z"}],"nvd":[{"id":"CVE-2023-22616","description":"An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register is not checked before use. The IhisiSmm driver does not check the value of a save state register before use. Due to insufficient input validation, an attacker can corrupt SMRAM.","status":"published","published":"2023-04-12T13:15:07.37Z","modified":"2026-06-17T05:35:44.537Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-610"],"updated_at":"2026-11-02T14:07:55.652109Z"}]}}