{"id":"UBUNTU-CVE-2015-8743","details":"QEMU (aka Quick Emulator) built with the NE2000 device emulation support is vulnerable to an OOB r/w access issue. It could occur while performing 'ioport' r/w operations. A privileged (CAP_SYS_RAWIO) user/process could use this flaw to leak or corrupt QEMU memory bytes.","modified":"2026-01-30T02:12:51.327395Z","published":"2016-01-04T00:00:00Z","related":["USN-2891-1"],"upstream":["CVE-2015-8743"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-8743"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2016/01/04/1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2891-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-8743"}],"affected":[{"package":{"name":"qemu","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/qemu@2.0.0+dfsg-2ubuntu1.22?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0+dfsg-2ubuntu1.22"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-common"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-guest-agent"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-keymaps"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-kvm"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-system"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-system-aarch64"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-system-arm"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-system-common"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-system-mips"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-system-misc"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-system-ppc"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-system-sparc"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-system-x86"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-user"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-user-static"},{"binary_version":"2.0.0+dfsg-2ubuntu1.22","binary_name":"qemu-utils"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-8743.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}