{"id":"CVE-2016-7422","details":"The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value.","modified":"2026-07-08T05:48:12.456231813Z","published":"2016-12-10T00:59:18.687Z","related":["SUSE-SU-2016:2879-1","openSUSE-SU-2024:11287-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*"],"source":"CPE_STRING","vendor_product":"opensuse:leap","extracted_events":[{"introduced":"42.2"},{"last_affected":"42.2"}]},{"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:*:*:*:*:*:*:*"],"source":"CPE_STRING","vendor_product":"redhat:openstack","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"}]},{"cpes":["cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*"],"source":"CPE_STRING","vendor_product":"redhat:virtualization","extracted_events":[{"introduced":"4.0"},{"last_affected":"4.0"}]}]},"references":[{"type":"WEB","url":"http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2016/09/16/10"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2016/09/16/4"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/92996"},{"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://security.gentoo.org/glsa/201609-01"},{"type":"FIX","url":"https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qemu/qemu","events":[{"introduced":"0"},{"last_affected":"0d83fccb4fb3140d21feeb37ba069ba71029aaa7"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.7.1"}]}}],"versions":["v2.7.1","v2.7.0","v2.7.0-rc5","v2.7.0-rc4","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-2016-7422.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/qemu-project/qemu","events":[{"introduced":"0"},{"last_affected":"0d83fccb4fb3140d21feeb37ba069ba71029aaa7"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.7.1"}]}}],"versions":["v2.7.1","v2.7.0","v2.7.0-rc5","v2.7.0-rc4","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.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