CVE-2021-28039

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-28039", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-03T21:33:17.404Z", "dateReserved": "2021-03-05T00:00:00.000Z", "datePublished": "2021-03-05T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-03-25T00:40:08.481Z"}, "descriptions": [{"lang": "en", "value": "An issue was discovered in the Linux kernel 5.9.x through 5.11.3, as used with Xen. In some less-common configurations, an x86 PV guest OS user can crash a Dom0 or driver domain via a large amount of I/O activity. The issue relates to misuse of guest physical addresses when a configuration has CONFIG_XEN_UNPOPULATED_ALLOC but not CONFIG_XEN_BALLOON_MEMORY_HOTPLUG."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "http://xenbits.xen.org/xsa/advisory-369.html"}, {"name": "[oss-security] 20210305 Xen Security Advisory 369 v2 (CVE-2021-28039) - Linux: special config may crash when trying to map foreign pages", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2021/03/05/2"}, {"url": "https://security.netapp.com/advisory/ntap-20210409-0001/"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T21:33:17.404Z"}, "title": "CVE Program Container", "references": [{"url": "http://xenbits.xen.org/xsa/advisory-369.html", "tags": ["x_transferred"]}, {"name": "[oss-security] 20210305 Xen Security Advisory 369 v2 (CVE-2021-28039) - Linux: special config may crash when trying to map foreign pages", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/03/05/2"}, {"url": "https://security.netapp.com/advisory/ntap-20210409-0001/", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2", "tags": ["x_transferred"]}]}]}}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:x86:*", "matchCriteriaId": "3FA33EE3-601B-4EC1-AC17-F948E8486DE5", "versionEndIncluding": "5.11.3", "versionStartIncluding": "5.9.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*", "matchCriteriaId": "BFA1950D-1D9F-4401-AA86-CF3028EFD286", "vulnerable": true}], "negate": false, "operator": "AND"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*", "matchCriteriaId": "5C2089EE-5D7F-47EC-8EA5-0F69790564C4", "vulnerable": true}, {"criteria": "cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "FB9B8171-F6CA-427D-81E0-6536D3BBFA8D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in the Linux kernel 5.9.x through 5.11.3, as used with Xen. In some less-common configurations, an x86 PV guest OS user can crash a Dom0 or driver domain via a large amount of I/O activity. The issue relates to misuse of guest physical addresses when a configuration has CONFIG_XEN_UNPOPULATED_ALLOC but not CONFIG_XEN_BALLOON_MEMORY_HOTPLUG."}, {"lang": "es", "value": "Se detect\u00f3 un problema en el kernel de Linux versiones 5.9.x hasta 5.11.3, como es usada con Xen. En algunas configuraciones menos comunes, un usuario de Sistema Operativo invitado PV x86 puede bloquear un dominio de controlador o Dom0 por medio de una gran cantidad de actividad de I/O. El problema se relaciona con el uso indebido de las direcciones f\u00edsicas de invitados cuando una configuraci\u00f3n presenta CONFIG_XEN_UNPOPULATED_ALLOC pero no CONFIG_XEN_BALLOON_MEMORY_HOTPLUG"}], "id": "CVE-2021-28039", "lastModified": "2026-06-17T03:45:45.847", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-05T18:15:13.190", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/03/05/2"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-369.html"}, {"source": "cve@mitre.org", "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210409-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/03/05/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-369.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210409-0001/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-131"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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