{"id":"UBUNTU-CVE-2014-3640","details":"The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.","modified":"2026-01-30T01:27:32.214511Z","published":"2014-11-07T00:00:00Z","related":["USN-2409-1"],"upstream":["CVE-2014-3640"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-3640"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2409-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-3640"}],"affected":[{"package":{"name":"qemu","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/qemu@2.0.0+dfsg-2ubuntu1.7?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0+dfsg-2ubuntu1.7"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-common"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-guest-agent"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-keymaps"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-kvm"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-system"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-system-aarch64"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-system-arm"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-system-common"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-system-mips"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-system-misc"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-system-ppc"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-system-sparc"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-system-x86"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-user"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-user-static"},{"binary_version":"2.0.0+dfsg-2ubuntu1.7","binary_name":"qemu-utils"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-3640.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}