{"api_version":"1","generated_at":"2026-07-23T03:22:34+00:00","cve":"CVE-2012-2133","urls":{"html":"https://cve.report/CVE-2012-2133","api":"https://cve.report/api/cve/CVE-2012-2133.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2012-2133","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-2133"},"summary":{"title":"CVE-2012-2133","description":"Use-after-free vulnerability in the Linux kernel before 3.3.6, when huge pages are enabled, allows local users to cause a denial of service (system crash) or possibly gain privileges by interacting with a hugetlbfs filesystem, as demonstrated by a umount operation that triggers improper handling of quota data.","state":"PUBLISHED","assigner":"redhat","published_at":"2012-07-03 16:40:32","updated_at":"2026-04-29 01:13:23"},"problem_types":["CWE-399","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"4","severity":"","vector":"AV:L/AC:H/Au:N/C:N/I:N/A:C","data":{"version":"2.0","vectorString":"AV:L/AC:H/Au:N/C:N/I:N/A:C","baseScore":4,"accessVector":"LOCAL","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html","name":"http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"[security-announce] SUSE-SU-2012:0616-1: important: Security update for","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6","name":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"text/plain","httpstatus":"200","archivestatus":"200"},{"url":"http://www.debian.org/security/2012/dsa-2469","name":"http://www.debian.org/security/2012/dsa-2469","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Debian -- Security Information -- DSA-2469-1 linux-2.6","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029","name":"https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"hugepages: fix use after free bug in \"quota\" handling · torvalds/linux@9048162 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.openwall.com/lists/oss-security/2012/04/24/12","name":"http://www.openwall.com/lists/oss-security/2012/04/24/12","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"oss-security - Re: CVE Request: use after free bug in \"quota\" handling\n in hugetlb code","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/53233","name":"http://www.securityfocus.com/bid/53233","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Linux Kernel Hugepages CVE-2012-2133 Local Denial of Service Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=90481622d75715bfcb68501280a917dbfe516029","name":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=90481622d75715bfcb68501280a917dbfe516029","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"kernel/git/torvalds/linux.git - Linux kernel source tree","mime":"text/html","httpstatus":"404","archivestatus":"200"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/75168","name":"https://exchange.xforce.ibmcloud.com/vulnerabilities/75168","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=817430","name":"https://bugzilla.redhat.com/show_bug.cgi?id=817430","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"817430 – (CVE-2012-2133) CVE-2012-2133 kernel: use after free bug in \"quota\" handling","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=90481622d75715bfcb68501280a917dbfe516029","name":"CONFIRM:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=90481622d75715bfcb68501280a917dbfe516029","refsource":"MITRE","tags":[],"title":"kernel/git/torvalds/linux.git - Linux kernel source tree","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://access.redhat.com/errata/RHSA-2012:1426","name":"MISC:https://access.redhat.com/errata/RHSA-2012:1426","refsource":"MITRE","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2012:1491","name":"MISC:https://access.redhat.com/errata/RHSA-2012:1491","refsource":"MITRE","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2013:0741","name":"MISC:https://access.redhat.com/errata/RHSA-2013:0741","refsource":"MITRE","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/security/cve/CVE-2012-2133","name":"MISC:https://access.redhat.com/security/cve/CVE-2012-2133","refsource":"MITRE","tags":[],"title":"access.redhat.com | CVE-2012-2133","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-2133","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2133","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2012","cve_id":"2133","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"3.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"2133","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"3.3.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"2133","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"3.3.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"2133","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"3.3.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"2133","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"3.3.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"2133","vulnerable":"1","versionEndIncluding":"3.3.5","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-06T19:26:08.389Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=90481622d75715bfcb68501280a917dbfe516029"},{"name":"DSA-2469","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"],"url":"http://www.debian.org/security/2012/dsa-2469"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=817430"},{"name":"SUSE-SU-2012:0616","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"],"url":"http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html"},{"name":"[oss-security] 20120424 Re: CVE Request: use after free bug in \"quota\" handling in hugetlb code","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2012/04/24/12"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6"},{"name":"53233","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/53233"},{"name":"linux-kernel-hugepages-dos(75168)","tags":["vdb-entry","x_refsource_XF","x_transferred"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/75168"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2012-04-24T00:00:00.000Z","descriptions":[{"lang":"en","value":"Use-after-free vulnerability in the Linux kernel before 3.3.6, when huge pages are enabled, allows local users to cause a denial of service (system crash) or possibly gain privileges by interacting with a hugetlbfs filesystem, as demonstrated by a umount operation that triggers improper handling of quota data."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2017-12-28T20:57:01.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=90481622d75715bfcb68501280a917dbfe516029"},{"name":"DSA-2469","tags":["vendor-advisory","x_refsource_DEBIAN"],"url":"http://www.debian.org/security/2012/dsa-2469"},{"tags":["x_refsource_CONFIRM"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=817430"},{"name":"SUSE-SU-2012:0616","tags":["vendor-advisory","x_refsource_SUSE"],"url":"http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html"},{"name":"[oss-security] 20120424 Re: CVE Request: use after free bug in \"quota\" handling in hugetlb code","tags":["mailing-list","x_refsource_MLIST"],"url":"http://www.openwall.com/lists/oss-security/2012/04/24/12"},{"tags":["x_refsource_CONFIRM"],"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6"},{"name":"53233","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/53233"},{"name":"linux-kernel-hugepages-dos(75168)","tags":["vdb-entry","x_refsource_XF"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/75168"},{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029"}]}},"cveMetadata":{"assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","assignerShortName":"redhat","cveId":"CVE-2012-2133","datePublished":"2012-07-03T16:00:00.000Z","dateReserved":"2012-04-04T00:00:00.000Z","dateUpdated":"2024-08-06T19:26:08.389Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2012-07-03 16:40:32","lastModifiedDate":"2026-04-29 01:13:23","problem_types":["CWE-399","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:H/Au:N/C:N/I:N/A:C","baseScore":4,"accessVector":"LOCAL","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":1.9,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndIncluding":"3.3.5","matchCriteriaId":"CF2962D8-066F-4F86-9EB6-C453CCF0106B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*","matchCriteriaId":"AFB76697-1C2F-48C0-9B14-517EC053D4B3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*","matchCriteriaId":"578EC12B-402F-4AD4-B8F8-C9B2CAB06891"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:*","matchCriteriaId":"877002ED-8097-4BB4-BB88-6FC6306C38B2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:3.3.3:*:*:*:*:*:*:*","matchCriteriaId":"76294CE3-D72C-41D5-9E0F-B693D0042699"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:3.3.4:*:*:*:*:*:*:*","matchCriteriaId":"916E97D4-1FAB-42F5-826B-653B1C0909A8"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2012","CveId":"2133","Ordinal":"1","Title":"CVE-2012-2133","CVE":"CVE-2012-2133","Year":"2012"},"notes":[{"CveYear":"2012","CveId":"2133","Ordinal":"1","NoteData":"Use-after-free vulnerability in the Linux kernel before 3.3.6, when huge pages are enabled, allows local users to cause a denial of service (system crash) or possibly gain privileges by interacting with a hugetlbfs filesystem, as demonstrated by a umount operation that triggers improper handling of quota data.","Type":"Description","Title":"CVE-2012-2133"},{"CveYear":"2012","CveId":"2133","Ordinal":"2","NoteData":"2012-07-03","Type":"Other","Title":"Published"},{"CveYear":"2012","CveId":"2133","Ordinal":"3","NoteData":"2017-12-28","Type":"Other","Title":"Modified"}]}}}