{"id":"UBUNTU-CVE-2018-16880","details":"A flaw was found in the Linux kernel's handle_rx() function in the [vhost_net] driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out. Versions from v4.16 and newer are vulnerable.","modified":"2026-01-30T02:35:47.454660Z","published":"2019-01-29T00:00:00Z","related":["USN-3903-1","USN-3903-2"],"upstream":["CVE-2018-16880"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-16880"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2019/01/25/1"},{"type":"REPORT","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b46a0bf78ad7b150ef5910da83859f7f5a514ffd"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3903-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3903-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-16880"}],"affected":[{"package":{"name":"linux-azure","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-azure@4.18.0-1013.13~18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-1013.13~18.04.1"}]}],"versions":["4.15.0-1002.2","4.15.0-1003.3","4.15.0-1004.4","4.15.0-1008.8","4.15.0-1009.9","4.15.0-1012.12","4.15.0-1013.13","4.15.0-1014.14","4.15.0-1018.18","4.15.0-1019.19","4.15.0-1021.21","4.15.0-1022.23","4.15.0-1023.24","4.15.0-1025.26","4.15.0-1028.29","4.15.0-1030.31","4.15.0-1031.32","4.15.0-1032.33","4.15.0-1035.36","4.15.0-1036.38","4.15.0-1037.39","4.18.0-1011.11~18.04.1"],"ecosystem_specific":{"availability":"No 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