CVE-2016-6828

{"id": "CVE-2016-6828", "cveTags": [], "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}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2016-10-16T21:59:08.053", "references": [{"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bb1fceca22492109be12640d49f5ea5a544c6bb4", "tags": ["Issue Tracking", "Patch"], "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2017-0036.html", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2017-0086.html", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2017-0091.html", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2017-0113.html", "source": "secalert@redhat.com"}, {"url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5", "tags": ["Release Notes", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2016/08/15/1", "tags": ["Exploit", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/92452", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1367091", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://github.com/torvalds/linux/commit/bb1fceca22492109be12640d49f5ea5a544c6bb4", "tags": ["Issue Tracking", "Patch"], "source": "secalert@redhat.com"}, {"url": "https://marcograss.github.io/security/linux/2016/08/18/cve-2016-6828-linux-kernel-tcp-uaf.html", "source": "secalert@redhat.com"}, {"url": "https://source.android.com/security/bulletin/2016-11-01.html", "source": "secalert@redhat.com"}, {"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bb1fceca22492109be12640d49f5ea5a544c6bb4", "tags": ["Issue Tracking", "Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2017-0036.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2017-0086.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2017-0091.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2017-0113.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5", "tags": ["Release Notes", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2016/08/15/1", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/92452", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1367091", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/torvalds/linux/commit/bb1fceca22492109be12640d49f5ea5a544c6bb4", "tags": ["Issue Tracking", "Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://marcograss.github.io/security/linux/2016/08/18/cve-2016-6828-linux-kernel-tcp-uaf.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://source.android.com/security/bulletin/2016-11-01.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "The tcp_check_send_head function in include/net/tcp.h in the Linux kernel before 4.7.5 does not properly maintain certain SACK state after a failed data copy, which allows local users to cause a denial of service (tcp_xmit_retransmit_queue use-after-free and system crash) via a crafted SACK option."}, {"lang": "es", "value": "La funci\u00f3n tcp_check_send_head en include/net/tcp.h en el kernel de Linux en versiones anteriores a 4.7.5 no mantiene adecuadamente cierto estado SACK tras una copia de datos fallida, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (uso despu\u00e9s de liberaci\u00f3n de memoria tcp_xmit_retransmit_queue y ca\u00edda de sistema ) a trav\u00e9s de una opci\u00f3n SACK manipulada."}], "lastModified": "2025-04-12T10:46:40.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4C613BBC-9849-4519-86AE-ECB4BBC32BD7", "versionEndIncluding": "4.7.4"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}