{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-33748", "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "assignerShortName": "XEN", "dateUpdated": "2024-02-04T08:07:33.759116", "dateReserved": "2022-06-15T00:00:00", "datePublished": "2022-10-11T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "shortName": "XEN", "dateUpdated": "2024-02-04T08:07:33.759116"}, "descriptions": [{"lang": "en", "value": "lock order inversion in transitive grant copy handling As part of XSA-226 a missing cleanup call was inserted on an error handling path. While doing so, locking requirements were not paid attention to. As a result two cooperating guests granting each other transitive grants can cause locks to be acquired nested within one another, but in respectively opposite order. With suitable timing between the involved grant copy operations this may result in the locking up of a CPU."}], "affected": [{"vendor": "Xen", "product": "xen", "versions": [{"version": "consult Xen advisory XSA-411", "status": "unknown"}]}], "references": [{"url": "https://xenbits.xenproject.org/xsa/advisory-411.txt"}, {"url": "http://xenbits.xen.org/xsa/advisory-411.html"}, {"name": "[oss-security] 20221011 Xen Security Advisory 411 v3 (CVE-2022-33748) - lock order inversion in transitive grant copy handling", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/10/11/2"}, {"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 Jan Beulich of SUSE.'}]}}}"}], "metrics": [{"other": {"type": "unknown", "content": {"description": {"description_data": [{"lang": "eng", "value": "Malicious or buggy guest kernels may be able to mount a Denial of\nService (DoS) attack affecting the entire system."}]}}}}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "unknown"}]}]}}}

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