CVE-2012-1146

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3C16692B-B239-405B-998B-114907D6243D", "versionEndExcluding": "3.2.10", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:16:*:*:*:*:*:*:*", "matchCriteriaId": "706C6399-CAD1-46E3-87A2-8DFE2CF497ED", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*", "matchCriteriaId": "00720D8C-3FF3-4B1C-B74B-91F01A544399", "vulnerable": true}, {"criteria": "cpe:2.3:o:suse:linux_enterprise_high_availability_extension:11:sp2:*:*:*:*:*:*", "matchCriteriaId": "DF49412C-CF41-4251-B1FB-F0E63AC9E019", "vulnerable": true}, {"criteria": "cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:*", "matchCriteriaId": "DB4D6749-81A1-41D7-BF4F-1C45A7F49A22", "vulnerable": true}, {"criteria": "cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:-:*:*:*", "matchCriteriaId": "1A9E2971-0D30-4A8D-8BF8-99E4E9E4CF86", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The mem_cgroup_usage_unregister_event function in mm/memcontrol.c in the Linux kernel before 3.2.10 does not properly handle multiple events that are attached to the same eventfd, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by registering memory threshold events."}, {"lang": "es", "value": "La funci\u00f3n mem_cgroup_usage_unregister_event en mm/memcontrol.c en el n\u00facleo de Linux anteriores a v3.2.10 no maneja apropiadamente m\u00faltiples eventos que son asociados al mismo eventfd, lo cual permite a usuarios locales causar una denegaci\u00f3n de servicio (puntero nulo sin referencia y ca\u00edda del sistema) o posiblemente tener un impacto no especificado por el registro de eventos en el l\u00edmite de la memoria."}], "id": "CVE-2012-1146", "lastModified": "2026-06-16T23:39:07.653", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2012-05-17T11:00:37.397", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=371528caec553785c37f73fa3926ea0de84f986f"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075781.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://secunia.com/advisories/48898"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://secunia.com/advisories/48964"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2012/03/07/3"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=800813"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/73711"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/torvalds/linux/commit/371528caec553785c37f73fa3926ea0de84f986f"}, {"source": 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{"bugzilla": {"description": "kernel: mm: memcg: unregistring of events attached to the same eventfd can lead to oops", "id": "800813", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=800813"}, "csaw": false, "cvss": {"cvss_base_score": "4.7", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "status": "draft"}, "details": ["The mem_cgroup_usage_unregister_event function in mm/memcontrol.c in the Linux kernel before 3.2.10 does not properly handle multiple events that are attached to the same eventfd, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by registering memory threshold events."], "name": "CVE-2012-1146", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2012-02-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-1146\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-1146"], "statement": "This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5 as they did not include support for control groups. This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6 as they did not include support for memory control groups threshold notifications. This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise MRG as they did not include support for memory control groups.", "threat_severity": "Moderate"}

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