CVE-2011-4086

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1", "name": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1", "tags": [], "refsource": "CONFIRM"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=749143", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=749143", "tags": [], "refsource": "CONFIRM"}, {"url": "https://github.com/torvalds/linux/commit/15291164b22a357cb211b618adfef4fa82fc0de3", "name": "https://github.com/torvalds/linux/commit/15291164b22a357cb211b618adfef4fa82fc0de3", "tags": ["Patch"], "refsource": "CONFIRM"}, {"url": "http://secunia.com/advisories/48898", "name": "48898", "tags": [], "refsource": "SECUNIA"}, {"url": "http://secunia.com/advisories/48964", "name": "48964", "tags": [], "refsource": "SECUNIA"}, {"url": "http://www.debian.org/security/2012/dsa-2469", "name": "DSA-2469", "tags": [], "refsource": "DEBIAN"}, {"url": "http://rhn.redhat.com/errata/RHSA-2012-0670.html", "name": "RHSA-2012:0670", "tags": [], "refsource": "REDHAT"}, {"url": "http://rhn.redhat.com/errata/RHSA-2012-0571.html", "name": "RHSA-2012:0571", "tags": [], "refsource": "REDHAT"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html", "name": "SUSE-SU-2012:0616", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html", "name": "SUSE-SU-2012:0554", "tags": [], "refsource": "SUSE"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=15291164b22a357cb211b618adfef4fa82fc0de3", "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=15291164b22a357cb211b618adfef4fa82fc0de3", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the _Delay and _Unwritten buffer head states, which allows local users to cause a denial of service (system crash) by leveraging the presence of an ext4 filesystem that was mounted with a journal."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-119"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2011-4086", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2012-07-03T16:40Z", "configurations": {"nodes": 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