{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-33746", "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "assignerShortName": "XEN", "dateUpdated": "2024-02-04T08:06:33.274865", "dateReserved": "2022-06-15T00:00:00", "datePublished": "2022-10-11T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "shortName": "XEN", "dateUpdated": "2024-02-04T08:06:33.274865"}, "descriptions": [{"lang": "en", "value": "P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing."}], "affected": [{"vendor": "Xen", "product": "xen", "versions": [{"version": "consult Xen advisory XSA-410", "status": "unknown"}]}], "references": [{"url": "https://xenbits.xenproject.org/xsa/advisory-410.txt"}, {"url": "http://xenbits.xen.org/xsa/advisory-410.html"}, {"name": "[oss-security] 20221011 Xen Security Advisory 410 v3 (CVE-2022-33746) - P2M pool freeing may take excessively long", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/10/11/3"}, {"name": "FEDORA-2022-5b594b82ac", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/"}, {"name": "DSA-5272", "tags": ["vendor-advisory"], "url": "https://www.debian.org/security/2022/dsa-5272"}, {"name": "FEDORA-2022-d80cc73088", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/"}, {"name": "FEDORA-2022-99af00f60e", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/"}, {"name": "GLSA-202402-07", "tags": ["vendor-advisory"], "url": "https://security.gentoo.org/glsa/202402-07"}], "credits": [{"lang": "en", "value": "{'credit_data': {'description': {'description_data': [{'lang': 'eng', 'value': 'This issue was discovered by Julien Grall of Amazon.'}]}}}"}], "metrics": [{"other": {"type": "unknown", "content": {"description": {"description_data": [{"lang": "eng", "value": "A group of collaborating guests can cause the temporary locking up of a\nCPU, potentially leading to a Denial of Service (DoS) affecting the\nentire host."}]}}}}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "unknown"}]}]}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*", "matchCriteriaId": "C87A048F-F6B9-4976-8A7F-EE719D75DC09", "versionEndIncluding": "4.16.1", "versionStartIncluding": "4.13.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*", "matchCriteriaId": "5C675112-476C-4D7C-BCB9-A2FB2D0BC9FD", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing."}, {"lang": "es", "value": "La liberaci\u00f3n del pool P2M puede tardar demasiado El pool P2M que respalda la traducci\u00f3n de direcciones de segundo nivel para hu\u00e9spedes puede tener un tama\u00f1o considerable. Por lo tanto, su liberaci\u00f3n puede tomar m\u00e1s tiempo de lo que es razonable sin comprobaciones intermedias de preferencia. Esta comprobaci\u00f3n de la necesidad de adelantarse no exist\u00eda hasta ahora"}], "id": "CVE-2022-33746", "lastModified": "2024-02-04T08:15:11.510", "metrics": {"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": "2022-10-11T13:15:10.033", "references": [{"source": "security@xen.org", "tags": ["Mailing List", "Mitigation", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2022/10/11/3"}, {"source": "security@xen.org", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-410.html"}, {"source": "security@xen.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/"}, {"source": "security@xen.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/"}, {"source": "security@xen.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/"}, {"source": "security@xen.org", "url": "https://security.gentoo.org/glsa/202402-07"}, {"source": "security@xen.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5272"}, {"source": "security@xen.org", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://xenbits.xenproject.org/xsa/advisory-410.txt"}], "sourceIdentifier": "security@xen.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-404"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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