Source: python-os-vif Version: 1.15.1-2 Severity: grave Tags: security upstream Forwarded: https://launchpad.net/bugs/1837252
Hi, The following vulnerability was published for python-os-vif. CVE-2019-15753[0]: | In OpenStack os-vif 1.15.x before 1.15.2, and 1.16.0, a hard-coded MAC | aging time of 0 disables MAC learning in linuxbridge, forcing | obligatory Ethernet flooding of non-local destinations, which both | impedes network performance and allows users to possibly view the | content of packets for instances belonging to other tenants sharing | the same network. Only deployments using the linuxbridge backend are | affected. This occurs in PyRoute2.add() in | internal/command/ip/linux/impl_pyroute2.py. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2019-15753 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15753 [1] https://launchpad.net/bugs/1837252 [2] https://security.openstack.org/ossa/OSSA-2019-004.html Please adjust the affected versions in the BTS as needed. Regards, Salvatore
