{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2007-12-04T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Linux kernel 2.6.23 allows local users to create low pages in virtual userspace memory and bypass mmap_min_addr protection via a crafted executable file that calls the do_brk function."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2008-02-15T10:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "ADV-2007-4200", "tags": ["vdb-entry", "x_refsource_VUPEN"], "url": "http://www.vupen.com/english/advisories/2007/4200"}, {"name": "40907", "tags": ["vdb-entry", "x_refsource_OSVDB"], "url": "http://osvdb.org/40907"}, {"name": "26831", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/26831"}, {"name": "28070", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/28070"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.24-rc5"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2007-6434", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Linux kernel 2.6.23 allows local users to create low pages in virtual userspace memory and bypass mmap_min_addr protection via a crafted executable file that calls the do_brk function."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "ADV-2007-4200", "refsource": "VUPEN", "url": "http://www.vupen.com/english/advisories/2007/4200"}, {"name": "40907", "refsource": "OSVDB", "url": "http://osvdb.org/40907"}, {"name": "26831", "refsource": "BID", "url": "http://www.securityfocus.com/bid/26831"}, {"name": "28070", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/28070"}, {"name": "http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.24-rc5", "refsource": "CONFIRM", "url": "http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.24-rc5"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T16:02:37.023Z"}, "title": "CVE Program Container", "references": [{"name": "ADV-2007-4200", "tags": ["vdb-entry", "x_refsource_VUPEN", "x_transferred"], "url": "http://www.vupen.com/english/advisories/2007/4200"}, {"name": "40907", "tags": ["vdb-entry", "x_refsource_OSVDB", "x_transferred"], "url": "http://osvdb.org/40907"}, {"name": "26831", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/26831"}, {"name": "28070", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/28070"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.24-rc5"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2007-6434", "datePublished": "2007-12-18T20:00:00.000Z", "dateReserved": "2007-12-18T00:00:00.000Z", "dateUpdated": "2024-08-07T16:02:37.023Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.23:*:*:*:*:*:*:*", "matchCriteriaId": "5C6A3A30-FEA4-40B6-98A9-1840BB4E8CBE", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Linux kernel 2.6.23 allows local users to create low pages in virtual userspace memory and bypass mmap_min_addr protection via a crafted executable file that calls the do_brk function."}, {"lang": "es", "value": "Linux kernel 2.6.23 permite a usuarios locales crear p\u00e1ginas bajas en el espacio de la memoria virtual y evitar la protecci\u00f3n mmap_min_addr a trav\u00e9s de un archivo ejecutable manipulado que llama a una funci\u00f3n do_brk."}], "id": "CVE-2007-6434", "lastModified": "2026-06-16T22:48:04.787", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2007-12-18T20:46:00.000", "references": [{"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.24-rc5"}, {"source": "cve@mitre.org", "url": "http://osvdb.org/40907"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/28070"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/26831"}, {"source": "cve@mitre.org", "url": "http://www.vupen.com/english/advisories/2007/4200"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.24-rc5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://osvdb.org/40907"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/28070"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/26831"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2007/4200"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5 or Red Hat Enterprise MRG.", "lastModified": "2008-09-02T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "VM/Security: add security hook to do_brk", "id": "426365", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=426365"}, "csaw": false, "details": ["Linux kernel 2.6.23 allows local users to create low pages in virtual userspace memory and bypass mmap_min_addr protection via a crafted executable file that calls the do_brk function."], "name": "CVE-2007-6434", "public_date": "2007-12-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2007-6434"], "statement": "Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5 or Red Hat Enterprise MRG.", "threat_severity": "Important"}

{}