https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 13 Nov 2026 23:02:30 +0000 https://db.gcve.eu/vuln/certfr-2026-avi-1508 certfr-2026-avi-1508 https://db.gcve.eu/vuln/certfr-2026-avi-1508 https://db.gcve.eu/vuln/fkie_cve-2026-99286 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>xen-netback: Fix XenBus connection failure cleanup</p> <p>xenvif_get_stats and xenvif_get_ethtool_stats capture vif-&gt;num_queues under rcu_read_lock. We need to unpublish vif-&gt;num_queues before synchronize_net to ensure that readers that come afterwards will not read a non-zero vif-&gt;num_queues and attempt to access invalid queues.</p> <p>This is the same cleanup algorithm as used in backend_disconnect and added in commit b17075d5c198 (&#34;xen-netback: fix race condition on XenBus disconnect&#34;).</p> <p>This is XSA-531</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>xen-netback: Fix XenBus connection failure cleanup</p> <p>xenvif_get_stats and xenvif_get_ethtool_stats capture vif-&gt;num_queues under rcu_read_lock. We need to unpublish vif-&gt;num_queues before synchronize_net to ensure that readers that come afterwards will not read a non-zero vif-&gt;num_queues and attempt to access invalid queues.</p> <p>This is the same cleanup algorithm as used in backend_disconnect and added in commit b17075d5c198 (&#34;xen-netback: fix race condition on XenBus disconnect&#34;).</p> <p>This is XSA-531</p> https://db.gcve.eu/vuln/fkie_cve-2026-99286 https://db.gcve.eu/vuln/ghsa-v4rj-whxc-qp2h <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>xen-netback: Fix XenBus connection failure cleanup</p> <p>xenvif_get_stats and xenvif_get_ethtool_stats capture vif-&gt;num_queues under rcu_read_lock. We need to unpublish vif-&gt;num_queues before synchronize_net to ensure that readers that come afterwards will not read a non-zero vif-&gt;num_queues and attempt to access invalid queues.</p> <p>This is the same cleanup algorithm as used in backend_disconnect and added in commit b17075d5c198 (&#34;xen-netback: fix race condition on XenBus disconnect&#34;).</p> <p>This is XSA-531</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>xen-netback: Fix XenBus connection failure cleanup</p> <p>xenvif_get_stats and xenvif_get_ethtool_stats capture vif-&gt;num_queues under rcu_read_lock. We need to unpublish vif-&gt;num_queues before synchronize_net to ensure that readers that come afterwards will not read a non-zero vif-&gt;num_queues and attempt to access invalid queues.</p> <p>This is the same cleanup algorithm as used in backend_disconnect and added in commit b17075d5c198 (&#34;xen-netback: fix race condition on XenBus disconnect&#34;).</p> <p>This is XSA-531</p> https://db.gcve.eu/vuln/ghsa-v4rj-whxc-qp2h https://db.gcve.eu/vuln/msrc_cve-2026-99286 msrc_CVE-2026-99286 https://db.gcve.eu/vuln/msrc_cve-2026-99286 https://db.gcve.eu/vuln/ubuntu-cve-2026-99286 <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: linux, Ubuntu:Pro:14.04:LTS: linux-aws, Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:14.04:LTS: linux-lts-xenial, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux-aws, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe and 258 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: xen-netback: Fix XenBus connection failure cleanup xenvif_get_stats and xenvif_get_ethtool_stats capture vif-&gt;num_queues under rcu_read_lock. We need to unpublish vif-&gt;num_queues before synchronize_net to ensure that readers that come afterwards will not read a non-zero vif-&gt;num_queues and attempt to access invalid queues. This is the same cleanup algorithm as used in backend_disconnect and added in commit b17075d5c198 (&#34;xen-netback: fix race condition on XenBus disconnect&#34;). This is XSA-531</p> <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: linux, Ubuntu:Pro:14.04:LTS: linux-aws, Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:14.04:LTS: linux-lts-xenial, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux-aws, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe and 258 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: xen-netback: Fix XenBus connection failure cleanup xenvif_get_stats and xenvif_get_ethtool_stats capture vif-&gt;num_queues under rcu_read_lock. We need to unpublish vif-&gt;num_queues before synchronize_net to ensure that readers that come afterwards will not read a non-zero vif-&gt;num_queues and attempt to access invalid queues. This is the same cleanup algorithm as used in backend_disconnect and added in commit b17075d5c198 (&#34;xen-netback: fix race condition on XenBus disconnect&#34;). This is XSA-531</p> https://db.gcve.eu/vuln/ubuntu-cve-2026-99286 https://db.gcve.eu/vuln/wid-sec-w-2026-4493 <p>Ein Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um Berechtigungen zu erweitern – möglicherweise sogar bis auf Root-Ebene –, einen Denial-of-Service-Zustand herbeizuführen, Daten zu manipulieren oder offenzulegen sowie Sicherheitsmaßnahmen zu umgehen.</p> <p>Ein Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um Berechtigungen zu erweitern – möglicherweise sogar bis auf Root-Ebene –, einen Denial-of-Service-Zustand herbeizuführen, Daten zu manipulieren oder offenzulegen sowie Sicherheitsmaßnahmen zu umgehen.</p> https://db.gcve.eu/vuln/wid-sec-w-2026-4493