CVE-2010-4346

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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": "76630B45-B590-4651-972E-F938A83010C0", "versionEndExcluding": "2.6.37", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.37:-:*:*:*:*:*:*", "matchCriteriaId": "79F8D440-02E8-4BF7-8F56-31E4F349166B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.37:rc1:*:*:*:*:*:*", "matchCriteriaId": "2EA6C6E6-CAD5-4D43-AD96-66D5ACBB91CE", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.37:rc2:*:*:*:*:*:*", "matchCriteriaId": "71905CF7-7C7B-43AC-970D-D3187A807903", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.37:rc3:*:*:*:*:*:*", "matchCriteriaId": "201421C9-E054-4FEB-A37A-8C314F242FBC", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.37:rc4:*:*:*:*:*:*", "matchCriteriaId": "F157225D-C62C-465D-A758-DE6A6C48C397", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.37:rc5:*:*:*:*:*:*", "matchCriteriaId": "77BB49A9-39D0-49C4-A241-D1537590F508", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The install_special_mapping function in mm/mmap.c in the Linux kernel before 2.6.37-rc6 does not make an expected security_file_mmap function call, which allows local users to bypass intended mmap_min_addr restrictions and possibly conduct NULL pointer dereference attacks via a crafted assembly-language application."}, {"lang": "es", "value": "funci\u00f3n install_special_mapping en mm/mmap.c en el kernel de Linux anterior v2.6.37-rc6 no crea una llamada a la funci\u00f3n security_file_mmap esperada, lo que permite a usuarios locales superar las restricciones mmap_min_addr establecidas y probablemente conducir ataques referencia a puntero NULO a trav\u00e9s de una aplicaci\u00f3n con lenguaje ensamblador manipulado. \r\n\r\n\r\n"}], "id": "CVE-2010-4346", "lastModified": "2026-06-16T23:24:36.593", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2010-12-22T21:00:19.100", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=462e635e5b73ba9a4c03913b77138cd57ce4b050"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2010/12/09/12"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2010/12/09/13"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2010/12/10/2"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2010/12/10/3"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/42570"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/46397"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc6"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:029"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/45323"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=662189"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://lkml.org/lkml/2010/12/9/222"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=462e635e5b73ba9a4c03913b77138cd57ce4b050"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2010/12/09/12"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2010/12/09/13"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2010/12/10/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2010/12/10/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/42570"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/46397"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:029"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/45323"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=662189"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://lkml.org/lkml/2010/12/9/222"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Tavis Ormandy for reporting this issue.", "affected_release": [{"advisory": "RHSA-2011:0330", "cpe": "cpe:/a:redhat:enterprise_mrg:1::el5", "package": "kernel-rt-0:2.6.33.7-rt29.55.el5rt", "product_name": "MRG for RHEL-5", "release_date": "2011-03-10T00:00:00Z"}, {"advisory": "RHSA-2011:0429", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-238.9.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-04-12T00:00:00Z"}, {"advisory": "RHSA-2011:0421", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-71.24.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-04-08T00:00:00Z"}], "bugzilla": {"description": "kernel: install_special_mapping skips security_file_mmap check", "id": "662189", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=662189"}, "csaw": false, "cvss": {"cvss_base_score": "2.1", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:N/I:P/A:N", "status": "verified"}, "details": ["The install_special_mapping function in mm/mmap.c in the Linux kernel before 2.6.37-rc6 does not make an expected security_file_mmap function call, which allows local users to bypass intended mmap_min_addr restrictions and possibly conduct NULL pointer dereference attacks via a crafted assembly-language application."], "name": "CVE-2010-4346", "public_date": "2010-12-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-4346\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-4346"], "statement": "The Linux kernel as shipped with Red Hat Enterprise Linux 4 is not vulnerable because it checks for mmap_min_addr even in special cases.\nThe Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG have mmap_min_addr sysctl tunable set to 4096, and therefore are not affected by this issue. However, as a preventive measure (for example, for administrators who have increased mmap_min_addr), we have addressed this in Red Hat Enterprise Linux 5, 6 and MRG via https://rhn.redhat.com/errata/RHSA-2011-0429.html, https://rhn.redhat.com/errata/RHSA-2011-0421.html, and https://rhn.redhat.com/errata/RHSA-2011-0330.html.", "threat_severity": "Low"}

{}