{"id":"CVE-2016-7907","details":"The imx_fec_do_tx function in hw/net/imx_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.","modified":"2026-07-08T22:49:19.390751Z","published":"2016-10-05T16:59:10.070Z","related":["SUSE-SU-2016:2879-1","openSUSE-SU-2024:11287-1"],"references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2016/10/03/1"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2016/10/03/4"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/93274"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201611-11"},{"type":"FIX","url":"https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg05556.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qemu/qemu","events":[{"introduced":"0"},{"last_affected":"d1b725ee12539906b72777fde1f6c73c2273d806"},{"introduced":"d84f714eafedd8bb9d4aaec8b76417bef8e3535e"},{"last_affected":"ca55019dacb821cc675273237a5173fc67bf3230"}],"database_specific":{"cpe":["cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.9.0:rc0:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.9.0:rc1:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.9.0:rc2:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.9.0:rc3:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.9.0:rc4:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.9.0:rc5:*:*:*:*:*:*"],"extracted_events":[{"introduced":"0"},{"last_affected":"2.8.1.1"},{"introduced":"2.9.0-rc0"},{"last_affected":"2.9.0-rc0"},{"introduced":"2.9.0-rc1"},{"last_affected":"2.9.0-rc1"},{"introduced":"2.9.0-rc2"},{"last_affected":"2.9.0-rc2"},{"introduced":"2.9.0-rc3"},{"last_affected":"2.9.0-rc3"},{"introduced":"2.9.0-rc4"},{"last_affected":"2.9.0-rc4"},{"introduced":"2.9.0-rc5"},{"last_affected":"2.9.0-rc5"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["2.9.0-rc0","2.9.0-rc1","2.9.0-rc2","2.9.0-rc3","2.9.0-rc4","2.9.0-rc5","v2.8.1.1","v2.8.1","v2.9.0-rc5","v2.9.0-rc4","v2.9.0-rc3","v2.9.0-rc2","v2.9.0-rc1","v2.8.0","v2.9.0-rc0","v2.8.0-rc4","v2.8.0-rc3","v2.8.0-rc2","v2.8.0-rc1","v2.8.0-rc0","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/osv-test-cve-osv-conversion/osv-output/CVE-2016-7907.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/qemu-project/qemu","events":[{"introduced":"0"},{"last_affected":"d1b725ee12539906b72777fde1f6c73c2273d806"},{"introduced":"d84f714eafedd8bb9d4aaec8b76417bef8e3535e"},{"last_affected":"ca55019dacb821cc675273237a5173fc67bf3230"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"2.8.1.1"},{"introduced":"2.9.0-rc0"},{"last_affected":"2.9.0-rc0"},{"introduced":"2.9.0-rc1"},{"last_affected":"2.9.0-rc1"},{"introduced":"2.9.0-rc2"},{"last_affected":"2.9.0-rc2"},{"introduced":"2.9.0-rc3"},{"last_affected":"2.9.0-rc3"},{"introduced":"2.9.0-rc4"},{"last_affected":"2.9.0-rc4"},{"introduced":"2.9.0-rc5"},{"last_affected":"2.9.0-rc5"}],"source":["CPE_RANGE","CPE_STRING"],"cpe":["cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.9.0:rc0:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.9.0:rc1:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.9.0:rc2:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.9.0:rc3:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.9.0:rc4:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.9.0:rc5:*:*:*:*:*:*"]}}],"versions":["2.9.0-rc0","2.9.0-rc1","2.9.0-rc2","2.9.0-rc3","2.9.0-rc4","2.9.0-rc5","v2.8.1.1","v2.8.1","v2.9.0-rc5","v2.9.0-rc4","v2.9.0-rc3","v2.9.0-rc2","v2.9.0-rc1","v2.8.0","v2.9.0-rc0","v2.8.0-rc4","v2.8.0-rc3","v2.8.0-rc2","v2.8.0-rc1","v2.8.0-rc0","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/osv-test-cve-osv-conversion/osv-output/CVE-2016-7907.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"}]}