CVE-2007-3731

{"id": "CVE-2007-3731", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2007-09-17T17:17:00.000", "references": [{"url": "http://bugzilla.kernel.org/show_bug.cgi?id=8765", "tags": ["Exploit"], "source": "secalert@redhat.com"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=29eb51101c02df517ca64ec472d7501127ad1da8", "source": "secalert@redhat.com"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=a10d9a71bafd3a283da240d2868e71346d2aef6f", "source": "secalert@redhat.com"}, {"url": "http://osvdb.org/37286", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/26935", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/26955", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/26978", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/27322", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/29159", "source": "secalert@redhat.com"}, {"url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0094", "source": "secalert@redhat.com"}, {"url": "http://www.debian.org/security/2007/dsa-1378", "source": "secalert@redhat.com"}, {"url": "http://www.redhat.com/support/errata/RHSA-2007-0940.html", "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/archive/1/488972/100/0/threaded", "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/25801", "source": "secalert@redhat.com"}, {"url": "http://www.ubuntu.com/usn/usn-518-1", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=248324", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "https://issues.rpath.com/browse/RPL-2304", "source": "secalert@redhat.com"}, {"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10394", "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "The Linux kernel 2.6.20 and 2.6.21 does not properly handle an invalid LDT segment selector in %cs (the xcs field) during ptrace single-step operations, which allows local users to cause a denial of service (NULL dereference and OOPS) via certain code that makes ptrace PTRACE_SETREGS and PTRACE_SINGLESTEP requests, related to the TRACE_IRQS_ON function, and possibly related to the arch_ptrace function."}, {"lang": "es", "value": "El kernel de Linux 2.6.20 y 2.6.21 no maneja de forma adecuada un segmento de selecci\u00f3n LDT no v\u00e1lido en %cs (el campo xcs)a lo largo de las operaciones paso-simple ptrace, lo caul permite a usuarios loalces provocar denegaci\u00f3n de servicio (referencia NULL y OOPS) a trav\u00e9s de ciertos c\u00f3digos que realizan las respuestas ptrace PTRACE_SETREGS y PTRACE_SINGLESTEP, relacionado con la funci\u00f3n TRACE_IRQS_ON, y posiblemente relacionado con la funci\u00f3n arch_ptrace."}], "lastModified": "2023-02-13T02:18:02.567", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.20:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C6940324-0383-4510-BA55-770E0A6B80B7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.21:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "50B422D1-6C6E-4359-A169-3EED78A1CF40"}], "operator": "OR"}]}], "vendorComments": [{"comment": "This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, or 4.", "lastModified": "2007-10-18T00:00:00", "organization": "Red Hat"}], "sourceIdentifier": "secalert@redhat.com"}