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"[git-commits-head] 20091208 net: Automatically allocate per namespace data.", "tags": ["Broken Link"], "refsource": "MLIST"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=711245", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=711245", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2011/06/06/10", "name": "[oss-security] 20110606 Re: CVE Request -- vsftpd -- Do not create network namespace per connection", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=711134", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=711134", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://patchwork.ozlabs.org/patch/88217/", "name": "http://patchwork.ozlabs.org/patch/88217/", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://ie.archive.ubuntu.com/linux/kernel/v2.6/ChangeLog-2.6.33", "name": "http://ie.archive.ubuntu.com/linux/kernel/v2.6/ChangeLog-2.6.33", "tags": ["Broken Link"], "refsource": "CONFIRM"}, {"url": "http://www.ubuntu.com/usn/USN-1288-1", "name": "USN-1288-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f875bae065334907796da12523f9df85c89f5712", "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f875bae065334907796da12523f9df85c89f5712", "tags": [], "refsource": "MISC"}, {"url": "http://neil.brown.name/git?p=linux-2.6%3Ba=patch%3Bh=2b035b39970740722598f7a9d548835f9bdd730f", "name": "http://neil.brown.name/git?p=linux-2.6%3Ba=patch%3Bh=2b035b39970740722598f7a9d548835f9bdd730f", "tags": [], "refsource": "MISC"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2b035b39970740722598f7a9d548835f9bdd730f", "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2b035b39970740722598f7a9d548835f9bdd730f", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "net/core/net_namespace.c in the Linux kernel 2.6.32 and earlier does not properly handle a high rate of creation and cleanup of network namespaces, which makes it easier for remote attackers to cause a denial of service (memory consumption) via requests to a daemon that requires a separate namespace per connection, as demonstrated by vsftpd."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-400"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2011-2189", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "HIGH", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2011-10-10T10:55Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": 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