{"id":"UBUNTU-CVE-2016-7156","details":"The pvscsi_convert_sglist function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging an incorrect cast.","modified":"2026-01-30T00:38:32.877118Z","published":"2016-09-08T00:00:00Z","related":["USN-3125-1"],"upstream":["CVE-2016-7156"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-7156"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2016/09/06/3"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3125-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-7156"}],"affected":[{"package":{"name":"qemu","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/qemu@2.0.0+dfsg-2ubuntu1.30?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0+dfsg-2ubuntu1.30"}]}],"versions":["1.5.0+dfsg-3ubuntu5","1.5.0+dfsg-3ubuntu6","1.6.0+dfsg-2ubuntu1","1.6.0+dfsg-2ubuntu2","1.6.0+dfsg-2ubuntu3","1.6.0+dfsg-2ubuntu4","1.7.0+dfsg-2ubuntu1","1.7.0+dfsg-2ubuntu2","1.7.0+dfsg-2ubuntu3","1.7.0+dfsg-2ubuntu4","1.7.0+dfsg-2ubuntu5","1.7.0+dfsg-2ubuntu7","1.7.0+dfsg-2ubuntu8","1.7.0+dfsg-2ubuntu9","1.7.0+dfsg-3ubuntu1~ppa1","1.7.0+dfsg-3ubuntu1","1.7.0+dfsg-3ubuntu2","1.7.0+dfsg-3ubuntu3","1.7.0+dfsg-3ubuntu4","1.7.0+dfsg-3ubuntu5","1.7.0+dfsg-3ubuntu6","1.7.0+dfsg-3ubuntu7","2.0.0~rc1+dfsg-0ubuntu1","2.0.0~rc1+dfsg-0ubuntu2","2.0.0~rc1+dfsg-0ubuntu3","2.0.0~rc1+dfsg-0ubuntu3.1","2.0.0+dfsg-2ubuntu1","2.0.0+dfsg-2ubuntu1.1","2.0.0+dfsg-2ubuntu1.2","2.0.0+dfsg-2ubuntu1.3","2.0.0+dfsg-2ubuntu1.5","2.0.0+dfsg-2ubuntu1.6","2.0.0+dfsg-2ubuntu1.7","2.0.0+dfsg-2ubuntu1.8","2.0.0+dfsg-2ubuntu1.9","2.0.0+dfsg-2ubuntu1.10","2.0.0+dfsg-2ubuntu1.11","2.0.0+dfsg-2ubuntu1.13","2.0.0+dfsg-2ubuntu1.14","2.0.0+dfsg-2ubuntu1.15","2.0.0+dfsg-2ubuntu1.16","2.0.0+dfsg-2ubuntu1.17","2.0.0+dfsg-2ubuntu1.18","2.0.0+dfsg-2ubuntu1.19","2.0.0+dfsg-2ubuntu1.20","2.0.0+dfsg-2ubuntu1.21","2.0.0+dfsg-2ubuntu1.22","2.0.0+dfsg-2ubuntu1.24","2.0.0+dfsg-2ubuntu1.25","2.0.0+dfsg-2ubuntu1.26","2.0.0+dfsg-2ubuntu1.27","2.0.0+dfsg-2ubuntu1.28","2.0.0+dfsg-2ubuntu1.29"],"ecosystem_specific":{"binaries":[{"binary_name":"qemu","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-common","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-guest-agent","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-keymaps","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-kvm","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-system","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-system-aarch64","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-system-arm","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-system-common","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-system-mips","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-system-misc","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-system-ppc","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-system-sparc","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-system-x86","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-user","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-user-static","binary_version":"2.0.0+dfsg-2ubuntu1.30"},{"binary_name":"qemu-utils","binary_version":"2.0.0+dfsg-2ubuntu1.30"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7156.json"}},{"package":{"name":"qemu","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/qemu@1:2.5+dfsg-5ubuntu10.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.5+dfsg-5ubuntu10.6"}]}],"versions":["1:2.3+dfsg-5ubuntu9","1:2.3+dfsg-5ubuntu10","1:2.4+dfsg-4ubuntu1","1:2.4+dfsg-4ubuntu2","1:2.4+dfsg-4ubuntu3","1:2.4+dfsg-5ubuntu3","1:2.5+dfsg-1ubuntu2","1:2.5+dfsg-1ubuntu3","1:2.5+dfsg-1ubuntu4","1:2.5+dfsg-1ubuntu5","1:2.5+dfsg-5ubuntu1","1:2.5+dfsg-5ubuntu2","1:2.5+dfsg-5ubuntu4","1:2.5+dfsg-5ubuntu6","1:2.5+dfsg-5ubuntu7","1:2.5+dfsg-5ubuntu10","1:2.5+dfsg-5ubuntu10.1","1:2.5+dfsg-5ubuntu10.2","1:2.5+dfsg-5ubuntu10.3","1:2.5+dfsg-5ubuntu10.4","1:2.5+dfsg-5ubuntu10.5"],"ecosystem_specific":{"binaries":[{"binary_name":"qemu","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-block-extra","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-guest-agent","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-kvm","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-system","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-system-aarch64","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-system-arm","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-system-common","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-system-mips","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-system-misc","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-system-ppc","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-system-s390x","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-system-sparc","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-system-x86","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-user","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-user-binfmt","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-user-static","binary_version":"1:2.5+dfsg-5ubuntu10.6"},{"binary_name":"qemu-utils","binary_version":"1:2.5+dfsg-5ubuntu10.6"}],"availability":"No 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