{"id":"UBUNTU-CVE-2020-16092","details":"In QEMU through 5.0.0, an assertion failure can occur in the network packet processing. This issue affects the e1000e and vmxnet3 network devices. A malicious guest user/process could use this flaw to abort the QEMU process on the host, resulting in a denial of service condition in net_tx_pkt_add_raw_fragment in hw/net/net_tx_pkt.c.","modified":"2026-01-30T00:42:13.304357Z","published":"2020-08-11T16:15:00Z","related":["USN-4467-1"],"upstream":["CVE-2020-16092"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-16092"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2020-16092"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4467-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-16092"}],"affected":[{"package":{"name":"qemu","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/qemu@1:2.11+dfsg-1ubuntu7.31?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.11+dfsg-1ubuntu7.31"}]}],"versions":["1:2.10+dfsg-0ubuntu3","1:2.10+dfsg-0ubuntu4","1:2.10+dfsg-0ubuntu5","1:2.11+dfsg-1ubuntu1","1:2.11+dfsg-1ubuntu2","1:2.11+dfsg-1ubuntu4","1:2.11+dfsg-1ubuntu5","1:2.11+dfsg-1ubuntu6","1:2.11+dfsg-1ubuntu7","1:2.11+dfsg-1ubuntu7.1","1:2.11+dfsg-1ubuntu7.2","1:2.11+dfsg-1ubuntu7.3","1:2.11+dfsg-1ubuntu7.4","1:2.11+dfsg-1ubuntu7.5","1:2.11+dfsg-1ubuntu7.6","1:2.11+dfsg-1ubuntu7.7","1:2.11+dfsg-1ubuntu7.8","1:2.11+dfsg-1ubuntu7.9","1:2.11+dfsg-1ubuntu7.10","1:2.11+dfsg-1ubuntu7.12","1:2.11+dfsg-1ubuntu7.13","1:2.11+dfsg-1ubuntu7.14","1:2.11+dfsg-1ubuntu7.15","1:2.11+dfsg-1ubuntu7.17","1:2.11+dfsg-1ubuntu7.18","1:2.11+dfsg-1ubuntu7.19","1:2.11+dfsg-1ubuntu7.20","1:2.11+dfsg-1ubuntu7.21","1:2.11+dfsg-1ubuntu7.22","1:2.11+dfsg-1ubuntu7.23","1:2.11+dfsg-1ubuntu7.25","1:2.11+dfsg-1ubuntu7.26","1:2.11+dfsg-1ubuntu7.27","1:2.11+dfsg-1ubuntu7.28","1:2.11+dfsg-1ubuntu7.29"],"ecosystem_specific":{"binaries":[{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-block-extra"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-guest-agent"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-kvm"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-system"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-system-arm"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-system-common"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-system-mips"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-system-misc"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-system-ppc"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-system-s390x"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-system-sparc"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-system-x86"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-user"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-user-binfmt"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-user-static"},{"binary_version":"1:2.11+dfsg-1ubuntu7.31","binary_name":"qemu-utils"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16092.json"}},{"package":{"name":"qemu","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/qemu@1:4.2-3ubuntu6.4?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.2-3ubuntu6.4"}]}],"versions":["1:4.0+dfsg-0ubuntu9","1:4.0+dfsg-0ubuntu10","1:4.2-1ubuntu1","1:4.2-1ubuntu2","1:4.2-3ubuntu1","1:4.2-3ubuntu2","1:4.2-3ubuntu3","1:4.2-3ubuntu4","1:4.2-3ubuntu5","1:4.2-3ubuntu6","1:4.2-3ubuntu6.1","1:4.2-3ubuntu6.2","1:4.2-3ubuntu6.3"],"ecosystem_specific":{"binaries":[{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-block-extra"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-guest-agent"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-kvm"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system-arm"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system-common"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system-data"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system-gui"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system-mips"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system-misc"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system-ppc"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system-s390x"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system-sparc"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system-x86"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system-x86-microvm"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-system-x86-xen"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-user"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-user-binfmt"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-user-static"},{"binary_version":"1:4.2-3ubuntu6.4","binary_name":"qemu-utils"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16092.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L"},{"type":"Ubuntu","score":"low"}]}