{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2019-15753","title":"Title"},{"category":"description","text":"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.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2019-15753","url":"https://www.suse.com/security/cve/CVE-2019-15753"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1148706 for CVE-2019-15753","url":"https://bugzilla.suse.com/1148706"}],"title":"SUSE CVE 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Cloud Crowbar 8","product_id":"SUSE OpenStack Cloud Crowbar 8","product_identification_helper":{"cpe":"cpe:/o:suse:suse-openstack-cloud-crowbar:8"}}},{"category":"product_name","name":"SUSE OpenStack Cloud Crowbar 9","product":{"name":"SUSE OpenStack Cloud Crowbar 9","product_id":"SUSE OpenStack Cloud Crowbar 9","product_identification_helper":{"cpe":"cpe:/o:suse:suse-openstack-cloud-crowbar:9"}}},{"category":"product_version","name":"python-os-vif","product":{"name":"python-os-vif","product_id":"python-os-vif","product_identification_helper":{"cpe":"cpe:2.3:a:openstack:os-vif:*:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/python-os-vif@?upstream=python-os-vif.src.rpm"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"python-os-vif as component of HPE Helion OpenStack 8","product_id":"HPE Helion OpenStack 8:python-os-vif"},"product_reference":"python-os-vif","relates_to_product_reference":"HPE Helion OpenStack 8"},{"category":"default_component_of","full_product_name":{"name":"python-os-vif as component of HPE Helion OpenStack Cloud 8","product_id":"HPE Helion OpenStack Cloud 8:python-os-vif"},"product_reference":"python-os-vif","relates_to_product_reference":"HPE Helion OpenStack Cloud 8"},{"category":"default_component_of","full_product_name":{"name":"python-os-vif as component of SUSE OpenStack Cloud 7","product_id":"SUSE OpenStack Cloud 7:python-os-vif"},"product_reference":"python-os-vif","relates_to_product_reference":"SUSE OpenStack Cloud 7"},{"category":"default_component_of","full_product_name":{"name":"python-os-vif as component of SUSE OpenStack Cloud 8","product_id":"SUSE OpenStack Cloud 8:python-os-vif"},"product_reference":"python-os-vif","relates_to_product_reference":"SUSE OpenStack Cloud 8"},{"category":"default_component_of","full_product_name":{"name":"python-os-vif 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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.","title":"CVE description"}],"product_status":{"known_not_affected":["HPE Helion OpenStack 8:python-os-vif","HPE Helion OpenStack Cloud 8:python-os-vif","SUSE OpenStack Cloud 7:python-os-vif","SUSE OpenStack Cloud 8:python-os-vif","SUSE OpenStack Cloud 9:python-os-vif","SUSE OpenStack Cloud Crowbar 8:python-os-vif","SUSE OpenStack Cloud Crowbar 9:python-os-vif"]},"references":[{"category":"external","summary":"CVE-2019-15753","url":"https://www.suse.com/security/cve/CVE-2019-15753"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1148706 for CVE-2019-15753","url":"https://bugzilla.suse.com/1148706"}],"threats":[{"category":"impact","date":"2019-08-29T00:40:43Z","details":"moderate"}],"title":"CVE-2019-15753"}]}