https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 02 Oct 2026 20:35:29 +0000 https://cve.radiocsirt.org/vuln/bell-cve-2026-80920 <p><strong>Affected:</strong> Alpaquita:23: linux-lts, Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> <p><strong>Affected:</strong> Alpaquita:23: linux-lts, Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> https://cve.radiocsirt.org/vuln/bell-cve-2026-80920 https://cve.radiocsirt.org/vuln/euvd-2026-365843 EUVD-2026-365843 https://cve.radiocsirt.org/vuln/euvd-2026-365843 https://cve.radiocsirt.org/vuln/fkie_cve-2026-80920 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>io_uring: defer eventfd signaling when queued from a wakeup handler</p> <p>io_req_local_work_add() signals the CQ ring eventfd inline when it is the one to push the first entry onto -&gt;work_list. For DEFER_TASKRUN rings that add is frequently done from a waitqueue wakeup handler, where an arbitrary waitqueue lock is held.</p> <p>eventfd_signal_mask() only refuses to recurse when current-&gt;in_eventfd is set, but that bit is set by eventfd_signal_mask() itself. If the wake chain starts somewhere else, signal goes out inline and can feed back into epoll.</p> <p>Add IOU_F_TWQ_IN_WAKE, set it on the task_work add done from the three waitqueue callbacks, and use it to force io_eventfd_signal() down the existing call_rcu_hurry() deferral instead of signaling inline.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>io_uring: defer eventfd signaling when queued from a wakeup handler</p> <p>io_req_local_work_add() signals the CQ ring eventfd inline when it is the one to push the first entry onto -&gt;work_list. For DEFER_TASKRUN rings that add is frequently done from a waitqueue wakeup handler, where an arbitrary waitqueue lock is held.</p> <p>eventfd_signal_mask() only refuses to recurse when current-&gt;in_eventfd is set, but that bit is set by eventfd_signal_mask() itself. If the wake chain starts somewhere else, signal goes out inline and can feed back into epoll.</p> <p>Add IOU_F_TWQ_IN_WAKE, set it on the task_work add done from the three waitqueue callbacks, and use it to force io_eventfd_signal() down the existing call_rcu_hurry() deferral instead of signaling inline.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2026-80920 https://cve.radiocsirt.org/vuln/ghsa-xg24-c6qm-h882 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>io_uring: defer eventfd signaling when queued from a wakeup handler</p> <p>io_req_local_work_add() signals the CQ ring eventfd inline when it is the one to push the first entry onto -&gt;work_list. For DEFER_TASKRUN rings that add is frequently done from a waitqueue wakeup handler, where an arbitrary waitqueue lock is held.</p> <p>eventfd_signal_mask() only refuses to recurse when current-&gt;in_eventfd is set, but that bit is set by eventfd_signal_mask() itself. If the wake chain starts somewhere else, signal goes out inline and can feed back into epoll.</p> <p>Add IOU_F_TWQ_IN_WAKE, set it on the task_work add done from the three waitqueue callbacks, and use it to force io_eventfd_signal() down the existing call_rcu_hurry() deferral instead of signaling inline.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>io_uring: defer eventfd signaling when queued from a wakeup handler</p> <p>io_req_local_work_add() signals the CQ ring eventfd inline when it is the one to push the first entry onto -&gt;work_list. For DEFER_TASKRUN rings that add is frequently done from a waitqueue wakeup handler, where an arbitrary waitqueue lock is held.</p> <p>eventfd_signal_mask() only refuses to recurse when current-&gt;in_eventfd is set, but that bit is set by eventfd_signal_mask() itself. If the wake chain starts somewhere else, signal goes out inline and can feed back into epoll.</p> <p>Add IOU_F_TWQ_IN_WAKE, set it on the task_work add done from the three waitqueue callbacks, and use it to force io_eventfd_signal() down the existing call_rcu_hurry() deferral instead of signaling inline.</p> https://cve.radiocsirt.org/vuln/ghsa-xg24-c6qm-h882 https://cve.radiocsirt.org/vuln/msrc_cve-2026-80920 msrc_CVE-2026-80920 https://cve.radiocsirt.org/vuln/msrc_cve-2026-80920 https://cve.radiocsirt.org/vuln/opensuse-su-2026:11773-1 <p>kernel-devel-7.2.5-1.1 on GA media</p> <p>kernel-devel-7.2.5-1.1 on GA media</p> https://cve.radiocsirt.org/vuln/opensuse-su-2026:11773-1 https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-80920 <p><strong>Affected:</strong> Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 154 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: io_uring: defer eventfd signaling when queued from a wakeup handler io_req_local_work_add() signals the CQ ring eventfd inline when it is the one to push the first entry onto -&gt;work_list. For DEFER_TASKRUN rings that add is frequently done from a waitqueue wakeup handler, where an arbitrary waitqueue lock is held. eventfd_signal_mask() only refuses to recurse when current-&gt;in_eventfd is set, but that bit is set by eventfd_signal_mask() itself. If the wake chain starts somewhere else, signal goes out inline and can feed back into epoll. Add IOU_F_TWQ_IN_WAKE, set it on the task_work add done from the three waitqueue callbacks, and use it to force io_eventfd_signal() down the existing call_rcu_hurry() deferral instead of signaling inline.</p> <p><strong>Affected:</strong> Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 154 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: io_uring: defer eventfd signaling when queued from a wakeup handler io_req_local_work_add() signals the CQ ring eventfd inline when it is the one to push the first entry onto -&gt;work_list. For DEFER_TASKRUN rings that add is frequently done from a waitqueue wakeup handler, where an arbitrary waitqueue lock is held. eventfd_signal_mask() only refuses to recurse when current-&gt;in_eventfd is set, but that bit is set by eventfd_signal_mask() itself. If the wake chain starts somewhere else, signal goes out inline and can feed back into epoll. Add IOU_F_TWQ_IN_WAKE, set it on the task_work add done from the three waitqueue callbacks, and use it to force io_eventfd_signal() down the existing call_rcu_hurry() deferral instead of signaling inline.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-80920 https://cve.radiocsirt.org/vuln/wid-sec-w-2026-3294 <p>Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Sicherheitsmaßnahmen zu umgehen, sensible Informationen offenzulegen, Daten zu manipulieren, Denial-of-Service-Zustände herbeizuführen oder andere, nicht näher spezifizierte Angriffe durchzuführen.</p> <p>Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Sicherheitsmaßnahmen zu umgehen, sensible Informationen offenzulegen, Daten zu manipulieren, Denial-of-Service-Zustände herbeizuführen oder andere, nicht näher spezifizierte Angriffe durchzuführen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2026-3294