{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2022-33747","assignerOrgId":"23aa2041-22e1-471f-9209-9b7396fa234f","assignerShortName":"XEN","dateUpdated":"2024-08-03T08:09:22.675Z","dateReserved":"2022-06-15T00:00:00.000Z","datePublished":"2022-10-11T00:00:00.000Z"},"containers":{"cna":{"providerMetadata":{"orgId":"23aa2041-22e1-471f-9209-9b7396fa234f","shortName":"XEN","dateUpdated":"2024-02-04T08:07:03.069Z"},"descriptions":[{"lang":"en","value":"Arm: unbounded memory consumption for 2nd-level page tables Certain actions require e.g. removing pages from a guest's P2M (Physical-to-Machine) mapping. When large pages are in use to map guest pages in the 2nd-stage page tables, such a removal operation may incur a memory allocation (to replace a large mapping with individual smaller ones). These memory allocations are taken from the global memory pool. A malicious guest might be able to cause the global memory pool to be exhausted by manipulating its own P2M mappings."}],"affected":[{"vendor":"Xen","product":"xen","versions":[{"version":"consult Xen advisory XSA-409","status":"unknown"}]}],"references":[{"url":"https://xenbits.xenproject.org/xsa/advisory-409.txt"},{"url":"http://xenbits.xen.org/xsa/advisory-409.html"},{"name":"[oss-security] 20221011 Xen Security Advisory 409 v3 (CVE-2022-33747) - Arm: unbounded memory consumption for 2nd-level page tables","tags":["mailing-list"],"url":"http://www.openwall.com/lists/oss-security/2022/10/11/5"},{"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"}],"metrics":[{"other":{"type":"unknown","content":{"description":{"description_data":[{"lang":"eng","value":"A malicious guest could cause a Denial of Service, preventing any system\noperation requiring further allocation of Xen memory, including creating\nnew guests.  NB however that memory exhaustion by itself shouldn’t cause\neither Xen or properly-written guests to crash."}]}}}}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"unknown"}]}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T08:09:22.675Z"},"title":"CVE Program Container","references":[{"url":"https://xenbits.xenproject.org/xsa/advisory-409.txt","tags":["x_transferred"]},{"url":"http://xenbits.xen.org/xsa/advisory-409.html","tags":["x_transferred"]},{"name":"[oss-security] 20221011 Xen Security Advisory 409 v3 (CVE-2022-33747) - Arm: unbounded memory consumption for 2nd-level page tables","tags":["mailing-list","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2022/10/11/5"},{"name":"FEDORA-2022-5b594b82ac","tags":["vendor-advisory","x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/"},{"name":"DSA-5272","tags":["vendor-advisory","x_transferred"],"url":"https://www.debian.org/security/2022/dsa-5272"},{"name":"FEDORA-2022-d80cc73088","tags":["vendor-advisory","x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/"},{"name":"FEDORA-2022-99af00f60e","tags":["vendor-advisory","x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/"},{"name":"GLSA-202402-07","tags":["vendor-advisory","x_transferred"],"url":"https://security.gentoo.org/glsa/202402-07"}]}]}}