{"id":"CVE-2019-3900","details":"An infinite loop issue was found in the vhost_net kernel module in Linux Kernel up to and including v5.1-rc6, while handling incoming packets in handle_rx(). It could occur if one end sends packets faster than the other end can process them. A guest user, maybe remote one, could use this flaw to stall the vhost_net kernel thread, resulting in a DoS scenario.","modified":"2026-04-16T04:34:33.573993162Z","published":"2019-04-25T15:29:00.407Z","related":["SUSE-SU-2021:3192-1","SUSE-SU-2021:3206-1","SUSE-SU-2021:3217-1","SUSE-SU-2021:3876-1","SUSE-SU-2021:3969-1","SUSE-SU-2021:3972-1","SUSE-SU-2022:3263-1","SUSE-SU-2022:3294-1","SUSE-SU-2023:0416-1","openSUSE-SU-2021:3876-1"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2043"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190517-0005/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4118-1/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1973"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3836"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Aug/18"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpuApr2021.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3517"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3967"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4115-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4497"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2029"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4116-1/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3309"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0204"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4114-1/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:4058"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/108076"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3220"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4117-1/"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3900"},{"type":"FIX","url":"https://seclists.org/bugtraq/2019/Nov/11"},{"type":"FIX","url":"http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html"},{"type":"FIX","url":"https://www.spinics.net/lists/kernel/msg3111012.html"},{"type":"ARTICLE","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RI3WXXM5URTZSR3RVEKO6MDXDFIKTZ5R/"},{"type":"ARTICLE","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TOFNJA5NNVXQ6AV6KGZB677JIVXAMJHT/"},{"type":"ARTICLE","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYTZH6QCNITK7353S6RCRT2PQHZSDPXD/"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-3900.json","unresolved_ranges":[{"events":[{"introduced":"2.6.34"},{"fixed":"3.16.72"}]},{"events":[{"introduced":"3.17"},{"fixed":"4.4.191"}]},{"events":[{"introduced":"4.5"},{"fixed":"4.9.190"}]},{"events":[{"introduced":"4.10"},{"fixed":"4.14.133"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.19.64"}]},{"events":[{"introduced":"4.20"},{"fixed":"5.2"}]},{"events":[{"introduced":"0"},{"last_affected":"29"}]},{"events":[{"introduced":"0"},{"last_affected":"30"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"19.04"}]},{"events":[{"introduced":"9.5"}]},{"events":[{"introduced":"7.2"}]},{"events":[{"introduced":"7.2"}]},{"events":[{"introduced":"7.2"}]},{"events":[{"introduced":"0"},{"last_affected":"8.2"}]},{"events":[{"introduced":"0"},{"last_affected":"28"}]},{"events":[{"introduced":"0"},{"last_affected":"29"}]},{"events":[{"introduced":"0"},{"last_affected":"30"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"}]}