{"id":"CVE-2016-9381","details":"Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a \"double fetch\" vulnerability.","modified":"2026-07-08T05:48:22.076562795Z","published":"2017-01-23T21:59:02.800Z","related":["SUSE-SU-2016:3044-1","SUSE-SU-2016:3067-1","SUSE-SU-2016:3083-1","SUSE-SU-2016:3156-1","SUSE-SU-2016:3174-1","SUSE-SU-2016:3273-1","SUSE-SU-2017:0127-1","openSUSE-SU-2024:11520-1"],"database_specific":{"unresolved_ranges":[{"vendor_product":"citrix:xenserver","source":"CPE_STRING","extracted_events":[{"introduced":"6.0.2"},{"last_affected":"6.0.2"},{"introduced":"6.2.0"},{"last_affected":"6.2.0"},{"introduced":"6.5"},{"last_affected":"6.5"},{"introduced":"7.0"},{"last_affected":"7.0"}],"cpes":["cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*","cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:*","cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:*","cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*"]}]},"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/94476"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1037344"},{"type":"ADVISORY","url":"http://xenbits.xen.org/xsa/advisory-197.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201612-56"},{"type":"ADVISORY","url":"https://support.citrix.com/article/CTX218775"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qemu/qemu","events":[{"introduced":"0"},{"last_affected":"0d83fccb4fb3140d21feeb37ba069ba71029aaa7"},{"introduced":"b0bcc86d2a87456f5a276f941dc775b265b309cf"},{"last_affected":"b0bcc86d2a87456f5a276f941dc775b265b309cf"}],"database_specific":{"source":["CPE_RANGE","CPE_STRING"],"extracted_events":[{"introduced":"0"},{"last_affected":"2.7.1"},{"introduced":"2.8.0-rc0"},{"last_affected":"2.8.0-rc0"}],"cpe":["cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:*"]}}],"versions":["2.8.0-rc0","v2.7.1","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/cve-osv-conversion/osv-output/CVE-2016-9381.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/qemu-project/qemu","events":[{"introduced":"0"},{"last_affected":"0d83fccb4fb3140d21feeb37ba069ba71029aaa7"},{"introduced":"b0bcc86d2a87456f5a276f941dc775b265b309cf"},{"last_affected":"b0bcc86d2a87456f5a276f941dc775b265b309cf"}],"database_specific":{"source":["CPE_RANGE","CPE_STRING"],"extracted_events":[{"introduced":"0"},{"last_affected":"2.7.1"},{"introduced":"2.8.0-rc0"},{"last_affected":"2.8.0-rc0"}],"cpe":["cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:*"]}}],"versions":["2.8.0-rc0","v2.7.1","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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