{"id":"CVE-2021-26326","aliases":["EUVD-2021-13132","GHSA-8rhv-4wrp-384c"],"status":"published","title":"Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.","description":"Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.","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":0.00261,"percentile":0.18035,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-665"],"published":"2021-11-16T17:52:14Z","modified":"2026-06-17T03:43:07Z","products":[{"vendor":"amd","product":"3rd gen amd epyc™"},{"vendor":"amd","product":"epyc_7232p_firmware"},{"vendor":"amd","product":"epyc_72f3_firmware"},{"vendor":"amd","product":"epyc_7313_firmware"},{"vendor":"amd","product":"epyc_7313p_firmware"},{"vendor":"amd","product":"epyc_7343_firmware"},{"vendor":"amd","product":"epyc_73f3_firmware"},{"vendor":"amd","product":"epyc_7413_firmware"},{"vendor":"amd","product":"epyc_7443_firmware"},{"vendor":"amd","product":"epyc_7443p_firmware"},{"vendor":"amd","product":"epyc_7453_firmware"},{"vendor":"amd","product":"epyc_74f3_firmware"},{"vendor":"amd","product":"epyc_7513_firmware"},{"vendor":"amd","product":"epyc_7543_firmware"},{"vendor":"amd","product":"epyc_7543p_firmware"},{"vendor":"amd","product":"epyc_75f3_firmware"},{"vendor":"amd","product":"epyc_7643_firmware"},{"vendor":"amd","product":"epyc_7663_firmware"},{"vendor":"amd","product":"epyc_7713_firmware"},{"vendor":"amd","product":"epyc_7713p_firmware"},{"vendor":"amd","product":"epyc_7763_firmware"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26326"},{"url":"https://github.com/advisories/GHSA-8rhv-4wrp-384c"}],"sources":{"cve":[{"id":"CVE-2021-26326","description":"Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.","status":"published","published":"2021-11-16T17:52:14.02Z","modified":"2024-09-16T17:53:16.999Z","cwes":["CWE-665"],"updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13132","description":"Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.","status":"published","published":"2021-11-16T17:52:14Z","modified":"2024-09-16T17:53:16Z","updated_at":"2026-11-03T00:55:37.743963Z"}],"ghsa":[{"id":"GHSA-8rhv-4wrp-384c","title":"Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.","description":"Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.","status":"published","published":"2022-05-24T19:20:48Z","modified":"2023-01-30T05:03:55Z","cwes":["CWE-665"],"updated_at":"2026-11-02T14:46:56.128795Z"}],"nvd":[{"id":"CVE-2021-26326","description":"Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.","status":"published","published":"2021-11-16T18:15:07.283Z","modified":"2026-06-17T03:43:07.553Z","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":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-665"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}