CVE-2014-9717

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://groups.google.com/forum/message/raw?msg=linux.kernel/HnegnbXk0Vs/RClojwJzAFEJ", "name": "[linux-kernel] 20141007 [PATCH] mnt: don't allow to detach the namespace root", "tags": [], "refsource": "MLIST"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1226751", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1226751", "tags": [], "refsource": "CONFIRM"}, {"url": "https://github.com/torvalds/linux/commit/ce07d891a0891d3c0d0c2d73d577490486b809e1", "name": "https://github.com/torvalds/linux/commit/ce07d891a0891d3c0d0c2d73d577490486b809e1", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2", "name": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2", "tags": [], "refsource": "CONFIRM"}, {"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce07d891a0891d3c0d0c2d73d577490486b809e1", "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce07d891a0891d3c0d0c2d73d577490486b809e1", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2015/04/17/4", "name": "[oss-security] 20150417 USERNS allows circumventing MNT_LOCKED", "tags": [], "refsource": "MLIST"}, {"url": "http://www.spinics.net/lists/linux-containers/msg30786.html", "name": "[containers] 20150402 [PATCH review 0/19] Locked mount and loopback mount fixes", "tags": [], "refsource": "MLIST"}, {"url": "http://www.securityfocus.com/bid/74226", "name": "74226", "tags": [], "refsource": "BID"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html", "name": "SUSE-SU-2016:1696", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html", "name": "SUSE-SU-2016:1690", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html", "name": "SUSE-SU-2016:1937", "tags": [], "refsource": "SUSE"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "fs/namespace.c in the Linux kernel before 4.0.2 processes MNT_DETACH umount2 system calls without verifying that the MNT_LOCKED flag is unset, which allows local users to bypass intended access restrictions and navigate to filesystem locations beneath a mount by calling umount2 within a user namespace."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-284"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2014-9717", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 3.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "LOW", "impactScore": 4.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 4.2, "exploitabilityScore": 1.8}}, "publishedDate": "2016-05-02T10:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "4.0.1"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2016-08-12T01:59Z"}