{"id":"CVE-2016-6888","details":"Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU process crash) via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference.","modified":"2026-07-08T05:49:58.877039950Z","published":"2016-12-10T00:59:09.370Z","related":["SUSE-SU-2016:2473-1","SUSE-SU-2016:2507-1","SUSE-SU-2016:2533-1","SUSE-SU-2016:2589-1","SUSE-SU-2016:2781-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"vendor_product":"debian:debian_linux","source":"CPE_STRING","cpes":["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"]},{"extracted_events":[{"introduced":"6.0"},{"last_affected":"6.0"},{"introduced":"7.0"},{"last_affected":"7.0"},{"introduced":"8"},{"last_affected":"8"},{"introduced":"9"},{"last_affected":"9"},{"introduced":"10"},{"last_affected":"10"},{"introduced":"11"},{"last_affected":"11"}],"vendor_product":"redhat:openstack","source":"CPE_STRING","cpes":["cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*","cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:*","cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*","cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*","cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:*","cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:*"]},{"extracted_events":[{"introduced":"4.0"},{"last_affected":"4.0"}],"vendor_product":"redhat:virtualization","source":"CPE_STRING","cpes":["cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*"]}]},"references":[{"type":"WEB","url":"http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=47882fa4975bf0b58dd74474329fdd7154e8f04c"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2016/08/19/10"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2016/08/19/6"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/92556"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2392"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2408"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201609-01"},{"type":"FIX","url":"https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg03176.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qemu/qemu","events":[{"introduced":"0"},{"last_affected":"529d45e151d82a772cd9b9af64bb25f88fba6567"},{"introduced":"2d2e632ad00d11867c6c5625605b1fbc022dd62f"},{"last_affected":"5f0e775348082c355769a3df612e055abea61c06"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"2.6.2"},{"introduced":"2.7.0-rc0"},{"last_affected":"2.7.0-rc0"},{"introduced":"2.7.0-rc1"},{"last_affected":"2.7.0-rc1"},{"introduced":"2.7.0-rc2"},{"last_affected":"2.7.0-rc2"},{"introduced":"2.7.0-rc3"},{"last_affected":"2.7.0-rc3"}],"source":["CPE_RANGE","CPE_STRING"],"cpe":["cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.7.0:rc0:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.7.0:rc1:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.7.0:rc2:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.7.0:rc3:*:*:*:*:*:*"]}}],"versions":["2.7.0-rc0","2.7.0-rc1","2.7.0-rc2","2.7.0-rc3","v2.6.2","v2.6.1","v2.7.0-rc3","v2.7.0-rc2","v2.6.0","v2.7.0-rc1","v2.7.0-rc0","v2.6.0-rc5","v2.6.0-rc4","v2.6.0-rc3","v2.6.0-rc2","v2.6.0-rc1","v2.6.0-rc0","v2.5.0","v2.5.0-rc4","v2.5.0-rc3","v2.5.0-rc2","v2.5.0-rc1","v2.5.0-rc0","v2.4.0","v2.4.0-rc4","v2.4.0-rc3","v2.3.0","v2.4.0-rc2","v2.4.0-rc1","v2.4.0-rc0","v2.3.0-rc4","v2.3.0-rc3","v2.3.0-rc2","v2.3.0-rc1","v2.3.0-rc0","v2.2.0","v2.2.0-rc3","v2.2.0-rc5","v2.2.0-rc4","v2.2.0-rc2","v2.2.0-rc1","v2.2.0-rc0","v2.1.0","v2.1.0-rc5","v2.1.0-rc4","v2.1.0-rc2","v2.1.0-rc3","v2.0.0","v2.1.0-rc1","v2.1.0-rc0","v2.0.0-rc3","v2.0.0-rc2","v2.0.0-rc1","v2.0.0-rc0","v1.7.0","v1.7.0-rc2","v1.7.0-rc1","v1.7.0-rc0","v1.6.0","v1.6.0-rc3","v1.6.0-rc2","v1.6.0-rc1","v1.6.0-rc0","v1.5.0","v1.5.0-rc3","v1.5.0-rc2","v1.5.0-rc1","v1.5.0-rc0","v1.4.0","v1.4.0-rc2","v1.4.0-rc1","v1.4.0-rc0","v1.3.0","v1.3.0-rc2","v1.3.0-rc1","v1.3.0-rc0","v1.2.0","v1.2.0-rc3","v1.2.0-rc2","v1.2.0-rc1","v1.2.0-rc0","v1.1.0","v1.1.0-rc4","v1.1.0-rc3","v1.1.0-rc2","v1.1-rc2","v1.1-rc1","v1.1-rc0","v1.0","v1.0-rc4","v1.0-rc3","v1.0-rc2","v1.0-rc1","v1.0-rc0","v0.14.0-rc0","v0.13.0-rc0","v0.12.0-rc0","v0.11.0-rc0","v0.5.0","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.4.0","v0.3.0","v0.2.0","v0.1.6","v0.1.5","v0.1.4","v0.1.3","v0.1.1","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-6888.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/qemu-project/qemu","events":[{"introduced":"0"},{"last_affected":"529d45e151d82a772cd9b9af64bb25f88fba6567"},{"introduced":"2d2e632ad00d11867c6c5625605b1fbc022dd62f"},{"last_affected":"5f0e775348082c355769a3df612e055abea61c06"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"2.6.2"},{"introduced":"2.7.0-rc0"},{"last_affected":"2.7.0-rc0"},{"introduced":"2.7.0-rc1"},{"last_affected":"2.7.0-rc1"},{"introduced":"2.7.0-rc2"},{"last_affected":"2.7.0-rc2"},{"introduced":"2.7.0-rc3"},{"last_affected":"2.7.0-rc3"}],"source":["CPE_RANGE","CPE_STRING"],"cpe":["cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.7.0:rc0:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.7.0:rc1:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.7.0:rc2:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.7.0:rc3:*:*:*:*:*:*"]}}],"versions":["2.7.0-rc0","2.7.0-rc1","2.7.0-rc2","2.7.0-rc3","v2.6.2","v2.6.1","v2.7.0-rc3","v2.7.0-rc2","v2.6.0","v2.7.0-rc1","v2.7.0-rc0","v2.6.0-rc5","v2.6.0-rc4","v2.6.0-rc3","v2.6.0-rc2","v2.6.0-rc1","v2.6.0-rc0","v2.5.0","v2.5.0-rc4","v2.5.0-rc3","v2.5.0-rc2","v2.5.0-rc1","v2.5.0-rc0","v2.4.0","v2.4.0-rc4","v2.4.0-rc3","v2.3.0","v2.4.0-rc2","v2.4.0-rc1","v2.4.0-rc0","v2.3.0-rc4","v2.3.0-rc3","v2.3.0-rc2","v2.3.0-rc1","v2.3.0-rc0","v2.2.0","v2.2.0-rc3","v2.2.0-rc5","v2.2.0-rc4","v2.2.0-rc2","v2.2.0-rc1","v2.2.0-rc0","v2.1.0","v2.1.0-rc5","v2.1.0-rc4","v2.1.0-rc2","v2.1.0-rc3","v2.0.0","v2.1.0-rc1","v2.1.0-rc0","v2.0.0-rc3","v2.0.0-rc2","v2.0.0-rc1","v2.0.0-rc0","v1.7.0","v1.7.0-rc2","v1.7.0-rc1","v1.7.0-rc0","v1.6.0","v1.6.0-rc3","v1.6.0-rc2","v1.6.0-rc1","v1.6.0-rc0","v1.5.0","v1.5.0-rc3","v1.5.0-rc2","v1.5.0-rc1","v1.5.0-rc0","v1.4.0","v1.4.0-rc2","v1.4.0-rc1","v1.4.0-rc0","v1.3.0","v1.3.0-rc2","v1.3.0-rc1","v1.3.0-rc0","v1.2.0","v1.2.0-rc3","v1.2.0-rc2","v1.2.0-rc1","v1.2.0-rc0","v1.1.0","v1.1.0-rc4","v1.1.0-rc3","v1.1.0-rc2","v1.1-rc2","v1.1-rc1","v1.1-rc0","v1.0","v1.0-rc4","v1.0-rc3","v1.0-rc2","v1.0-rc1","v1.0-rc0","v0.14.0-rc0","v0.13.0-rc0","v0.12.0-rc0","v0.11.0-rc0","v0.5.0","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.4.0","v0.3.0","v0.2.0","v0.1.6","v0.1.5","v0.1.4","v0.1.3","v0.1.1","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-6888.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"}]}