cve-2021-26409
Vulnerability from cvelistv5
Published
2023-01-10 20:56
Modified
2024-08-03 20:26
Severity ?
EPSS score ?
Summary
Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity.
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": "2024-08-03T20:26:25.399Z", "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": "Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity. \u003cbr\u003e\u003cbr\u003e" } ], "value": "Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity. \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-2021-26409", "datePublished": "2023-01-10T20:56:47.043Z", "dateReserved": "2021-01-29T21:24:26.172Z", "dateUpdated": "2024-08-03T20:26:25.399Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-26409\",\"sourceIdentifier\":\"psirt@amd.com\",\"published\":\"2023-01-11T08:15:11.743\",\"lastModified\":\"2023-11-07T03:31:45.023\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity. \\n\\n\"},{\"lang\":\"es\",\"value\":\" La comprobaci\u00f3n de los l\u00edmites insuficiente en SEV-ES puede permitir que un atacante corrompa la memoria de la tabla de mapa inverso (RMP), lo que podr\u00eda provocar una p\u00e9rdida de integridad de la memoria SNP (paginaci\u00f3n anidada segura).\"}],\"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:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-120\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.0.0.3\",\"matchCriteriaId\":\"D2C9E53C-FE78-4045-9965-1F6FD1CFDD20\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:milanpi:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1F64A4AA-A66B-4B2E-B8F1-F332E3945903\"}]}]}],\"references\":[{\"url\":\"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032\",\"source\":\"psirt@amd.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
Loading...
Loading...
- 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.