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call_console_drivers function call."}, {"lang": "es", "value": "La funci\u00f3n log_prefix en kernel/printk.c en el kernel Linux v3.x anterior a v3.4.33,, no elimina adecuadamente el prefijo de la cabecera de syslog, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (desbordamiento de b\u00fafer y ca\u00edda del sistema) aprovechando el acceso a lectura en /dev/kmsg y lanzando una llamada a la funci\u00f3n call_console_drivers."}], "id": "CVE-2013-1772", "lastModified": "2013-08-22T06:51:23.713", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 1.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-02-28T19:55:01.607", "references": [{"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html"}, {"source": "secalert@redhat.com", "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.33"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2013/02/26/9"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=916075"}, {"source": "secalert@redhat.com", "url": "https://github.com/torvalds/linux/commit/ce0030c00f95cf9110d9cdcd41e901e1fb814417"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2013:0566", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-0:3.6.11-rt28.20.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2013-03-06T00:00:00Z"}], "bugzilla": {"description": "kernel: call_console_drivers() function log prefix stripping DoS", "id": "916075", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=916075"}, "csaw": false, "cvss": {"cvss_base_score": "3.8", "cvss_scoring_vector": "AV:L/AC:H/Au:S/C:N/I:N/A:C", "status": "verified"}, "details": ["The log_prefix function in kernel/printk.c in the Linux kernel 3.x before 3.4.33 does not properly remove a prefix string from a syslog header, which allows local users to cause a denial of service (buffer overflow and system crash) by leveraging /dev/kmsg write access and triggering a call_console_drivers function call."], "name": "CVE-2013-1772", "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"}], "public_date": "2013-02-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-1772\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-1772"], "statement": "This issue did not affect the versions of kernel package as shipped with Red Hat Enterprise Linux 5 and 6. Future kernel updates for Red Hat Enterprise MRG 2 may address this flaw.", "threat_severity": "Low"}