cve-2021-26328
Vulnerability from cvelistv5
Published
2023-01-10 20:56
Modified
2024-08-03 20:19
Severity ?
EPSS score ?
Summary
Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.
References
▼ | URL | Tags | |
---|---|---|---|
psirt@amd.com | https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
AMD | 3rd Gen EPYC |
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T20:19:20.263Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "packageName": "AGESA", "platforms": [ "x86" ], "product": "3rd Gen EPYC", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various " } ] } ], "datePublic": "2023-01-10T17:30:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e" } ], "value": "Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.\n\n\n" } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2023-01-11T07:01:59.843980Z", "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD" }, "references": [ { "tags": [ "vendor-advisory" ], "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032" } ], "source": { "advisory": "AMD-SB-1032", "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 0.1.0-dev" } } }, "cveMetadata": { "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "assignerShortName": "AMD", "cveId": "CVE-2021-26328", "datePublished": "2023-01-10T20:56:33.464Z", "dateReserved": "2021-01-29T21:24:26.141Z", "dateUpdated": "2024-08-03T20:19:20.263Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-26328\",\"sourceIdentifier\":\"psirt@amd.com\",\"published\":\"2023-01-11T08:15:10.447\",\"lastModified\":\"2023-11-07T03:31:42.130\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.\\n\\n\\n\"},{\"lang\":\"es\",\"value\":\"No verificar el modo de ejecuci\u00f3n de la CPU en el momento de SNP_INIT puede provocar una posible p\u00e9rdida de integridad de la memoria para los invitados SNP.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\",\"baseScore\":4.4,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":2.5}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7003_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"352EF843-7E8B-4E18-ADA6-FDFF756FF469\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7003:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C912AA31-FB2D-4BD9-B1BD-3C8D7EEE771C\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"21488227-827C-4F20-8CB3-6DEE51D2D28C\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_72f3:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F98FF1A-3A2B-4CED-AEA2-9C4F2AC2D8C1\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"E3F95E1C-0563-486E-9651-F161369C6235\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B02B61B7-7DD3-4164-8D32-EB961E981BC9\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"8DD80CD1-0373-4597-A3A7-8DB6223FC469\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9000686A-DC2B-4561-9C32-E90890EB2EBA\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"8A67B24D-6198-4912-AFEB-8A2001BDF898\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"71B9C24B-2C10-4826-A91B-E1C60665FBBE\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"EF84A4C8-7A36-4639-8D1A-1ECDC1FDF57B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7373x:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"180B3002-B3C5-48B5-8322-5B64B237C5B9\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"83643022-0D3A-4C54-9890-7931E2A12DF4\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_73f3:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"678C5F58-8AE9-46FF-8F01-4CF394C87A2C\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"EBF640C8-95F1-4669-9115-4C0FAC68C5DE\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D1766FF1-77A9-4293-B826-F6A8FBD7AFBF\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"0C9D0F50-B4AD-4764-8CCA-379890935AE1\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4C474537-3006-41BA-8C3D-5C370E3ACECD\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"330E4458-5522-4DFE-AE0D-8FE2B9B95671\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8E2B13CA-72F4-4CF6-9E12-62E6E9056A14\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"DF7DADE5-3C8A-453F-A5C8-D73049827712\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7453:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"241E39FF-FE66-444C-A4C2-3D28C45341BE\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"39DAA78A-C71F-4FBE-8F23-BC174014A7F2\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_74f3:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"02D08121-DC57-47D7-8214-23A209F0AF08\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"5F7D899F-8AA0-489E-9785-21BBCE975CFF\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F8264DF4-47B4-4716-AE89-44AFA870D385\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"52544912-FAA3-4025-A5FD-151B21CEC53B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"26FDBC98-0EE0-4F9B-8FBD-99B882B83DF9\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"77A0A47B-74A1-4731-92A8-BC10FFE58ECF\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"8C4889EF-5D25-4C3C-B27E-6B751F1D1763\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7573x:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"237FB33B-BF08-4E3E-8E83-EB0AD2F12A4B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7573x_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"0FF411CB-9724-4852-BC25-E8556F097157\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_75f3:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EBF0AFED-588A-4EFB-8C90-9280BC3A6720\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"57763579-D84D-4BFC-9648-A392F104F8D5\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"98E1D79D-0CB0-4FD9-8A82-27CDFBFE07B2\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"80B7DC05-6DCC-47BF-A7D8-78DDAC0E4214\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A7DFCB62-6CDF-4AD2-9265-1887E5780CA5\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"1A56196D-F378-4517-BA3C-458CF1115FCF\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4D698D3E-BB05-4C65-90F4-8DAE275CD6A4\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"7C3160F7-3B7E-4D88-9F0F-8D2396E71B21\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2299ED50-B4D2-4BB3-AD87-56D552B84AE1\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"F351896E-8F3E-4A4B-9CC3-51A8B2F7D837\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7743_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"0252E0FB-F31A-4606-97AB-BA37D8A98E17\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7743:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8C206A50-1225-4CC8-BC38-A7FEF4E2BA54\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"2DEAAF95-F5CF-4221-87BB-0C360FA3BE1F\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4F900BDD-F094-41A6-9A23-31F53DBA95D4\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.8\",\"matchCriteriaId\":\"30AC6BB9-3130-4B58-B6D0-3C0C579229F9\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7773x:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D02B1C69-BAA4-485B-BE22-46BE321F9E4E\"}]}]}],\"references\":[{\"url\":\"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032\",\"source\":\"psirt@amd.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
Loading...
Loading...
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.