{"id":"CVE-2022-24031","title":"An issue was discovered in NvmExpressDxe in Insyde InsydeH2O with kernel 5.1 through 5.5","summary":"An issue was discovered in NvmExpressDxe in Insyde InsydeH2O with kernel 5.1 through 5.5. An SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalati…","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"insyde","product":"insydeh2o","affected":["insydeh2o >= 5.1, < 5.16.42","insydeh2o >= 5.2, < 5.26.42","insydeh2o >= 5.3, < 5.35.42","insydeh2o >= 5.4, < 5.43.42","insydeh2o >= 5.5, < 5.51.42"],"patched":["insydeh2o 5.51.42"],"published":"2022-02-03","updated":"2026-08-11","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-24031","references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf","label":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20220216-0009/","label":"cve@mitre.org"},{"url":"https://www.insyde.com/security-pledge","label":"cve@mitre.org"},{"url":"https://www.insyde.com/security-pledge/SA-2022015","label":"cve@mitre.org"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20220216-0009/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.insyde.com/security-pledge","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.insyde.com/security-pledge/SA-2022015","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/796611","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-306654.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.00281,"epssPercentile":0.20759,"ingestedAt":"2026-08-11T16:47:02.409Z","slug":"CVE-2022-24031","body":"## Overview\n\nAn issue was discovered in NvmExpressDxe in Insyde InsydeH2O with kernel 5.1 through 5.5. An SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.\n\n## Affected\n\n- `insydeh2o >= 5.1, < 5.16.42`\n- `insydeh2o >= 5.2, < 5.26.42`\n- `insydeh2o >= 5.3, < 5.35.42`\n- `insydeh2o >= 5.4, < 5.43.42`\n- `insydeh2o >= 5.5, < 5.51.42`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `insydeh2o 5.51.42`","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}