https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 03:28:48 +0000 https://cve.radiocsirt.org/vuln/bdu:2026-11997 bdu:2026-11997 https://cve.radiocsirt.org/vuln/bdu:2026-11997 https://cve.radiocsirt.org/vuln/bell-cve-2026-53365 <p><strong>Affected:</strong> Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> <p><strong>Affected:</strong> Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> https://cve.radiocsirt.org/vuln/bell-cve-2026-53365 https://cve.radiocsirt.org/vuln/certfr-2026-avi-0926 certfr-2026-avi-0926 https://cve.radiocsirt.org/vuln/certfr-2026-avi-0926 https://cve.radiocsirt.org/vuln/euvd-2026-354876 EUVD-2026-354876 https://cve.radiocsirt.org/vuln/euvd-2026-354876 https://cve.radiocsirt.org/vuln/fkie_cve-2026-53365 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>vsock/virtio: fix zerocopy completion for multi-skb sends</p> <p>When a large message is fragmented into multiple skbs, the zerocopy uarg is only allocated and attached to the last skb in the loop. Non-final skbs carry pinned user pages with no completion tracking, so the kernel has no way to notify userspace when those pages are safe to reuse. If the loop breaks early the uarg is never allocated at all, leaking pinned pages with no completion notification.</p> <p>Fix this by following the approach used by TCP: allocate the zerocopy uarg (if not provided by the caller) before the send loop and attach it to every skb via skb_zcopy_set(), which takes a reference per skb. Each skb&#39;s completion properly decrements the refcount, and the notification only fires after the last skb is freed. On failure, if no data was sent, the uarg is cleanly aborted via net_zcopy_put_abort().</p> <p>This issue was initially discovered by sashiko while reviewing commit 1cb36e252211 (&#34;vsock/virtio: fix MSG_ZEROCOPY pinned-pages accounting&#34;) but was pre-existing.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>vsock/virtio: fix zerocopy completion for multi-skb sends</p> <p>When a large message is fragmented into multiple skbs, the zerocopy uarg is only allocated and attached to the last skb in the loop. Non-final skbs carry pinned user pages with no completion tracking, so the kernel has no way to notify userspace when those pages are safe to reuse. If the loop breaks early the uarg is never allocated at all, leaking pinned pages with no completion notification.</p> <p>Fix this by following the approach used by TCP: allocate the zerocopy uarg (if not provided by the caller) before the send loop and attach it to every skb via skb_zcopy_set(), which takes a reference per skb. Each skb&#39;s completion properly decrements the refcount, and the notification only fires after the last skb is freed. On failure, if no data was sent, the uarg is cleanly aborted via net_zcopy_put_abort().</p> <p>This issue was initially discovered by sashiko while reviewing commit 1cb36e252211 (&#34;vsock/virtio: fix MSG_ZEROCOPY pinned-pages accounting&#34;) but was pre-existing.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2026-53365 https://cve.radiocsirt.org/vuln/ghsa-9p63-4jq7-2c9w <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>vsock/virtio: fix zerocopy completion for multi-skb sends</p> <p>When a large message is fragmented into multiple skbs, the zerocopy uarg is only allocated and attached to the last skb in the loop. Non-final skbs carry pinned user pages with no completion tracking, so the kernel has no way to notify userspace when those pages are safe to reuse. If the loop breaks early the uarg is never allocated at all, leaking pinned pages with no completion notification.</p> <p>Fix this by following the approach used by TCP: allocate the zerocopy uarg (if not provided by the caller) before the send loop and attach it to every skb via skb_zcopy_set(), which takes a reference per skb. Each skb&#39;s completion properly decrements the refcount, and the notification only fires after the last skb is freed. On failure, if no data was sent, the uarg is cleanly aborted via net_zcopy_put_abort().</p> <p>This issue was initially discovered by sashiko while reviewing commit 1cb36e252211 (&#34;vsock/virtio: fix MSG_ZEROCOPY pinned-pages accounting&#34;) but was pre-existing.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>vsock/virtio: fix zerocopy completion for multi-skb sends</p> <p>When a large message is fragmented into multiple skbs, the zerocopy uarg is only allocated and attached to the last skb in the loop. Non-final skbs carry pinned user pages with no completion tracking, so the kernel has no way to notify userspace when those pages are safe to reuse. If the loop breaks early the uarg is never allocated at all, leaking pinned pages with no completion notification.</p> <p>Fix this by following the approach used by TCP: allocate the zerocopy uarg (if not provided by the caller) before the send loop and attach it to every skb via skb_zcopy_set(), which takes a reference per skb. Each skb&#39;s completion properly decrements the refcount, and the notification only fires after the last skb is freed. On failure, if no data was sent, the uarg is cleanly aborted via net_zcopy_put_abort().</p> <p>This issue was initially discovered by sashiko while reviewing commit 1cb36e252211 (&#34;vsock/virtio: fix MSG_ZEROCOPY pinned-pages accounting&#34;) but was pre-existing.</p> https://cve.radiocsirt.org/vuln/ghsa-9p63-4jq7-2c9w https://cve.radiocsirt.org/vuln/opensuse-su-2026:21910-1 <p>Security update for the Linux Kernel</p> <p>Security update for the Linux Kernel</p> https://cve.radiocsirt.org/vuln/opensuse-su-2026:21910-1 https://cve.radiocsirt.org/vuln/suse-su-2026:23477-1 <p>Security update for the Linux Kernel</p> <p>Security update for the Linux Kernel</p> https://cve.radiocsirt.org/vuln/suse-su-2026:23477-1 https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-53365 <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 152 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix zerocopy completion for multi-skb sends When a large message is fragmented into multiple skbs, the zerocopy uarg is only allocated and attached to the last skb in the loop. Non-final skbs carry pinned user pages with no completion tracking, so the kernel has no way to notify userspace when those pages are safe to reuse. If the loop breaks early the uarg is never allocated at all, leaking pinned pages with no completion notification. Fix this by following the approach used by TCP: allocate the zerocopy uarg (if not provided by the caller) before the send loop and attach it to every skb via skb_zcopy_set(), which takes a reference per skb. Each skb&#39;s completion properly decrements the refcount, and the notification only fires after the last skb is freed. On failure, if no data was sent, the uarg is cleanly aborted via net_zcopy_put_abort(). This issue was initially discovered by sashiko while reviewing commit 1cb36e252211 (&#34;vsock/virtio: fix MSG_ZEROCOPY pinned-pages accounting&#34;) but was pre-existing.</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 152 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix zerocopy completion for multi-skb sends When a large message is fragmented into multiple skbs, the zerocopy uarg is only allocated and attached to the last skb in the loop. Non-final skbs carry pinned user pages with no completion tracking, so the kernel has no way to notify userspace when those pages are safe to reuse. If the loop breaks early the uarg is never allocated at all, leaking pinned pages with no completion notification. Fix this by following the approach used by TCP: allocate the zerocopy uarg (if not provided by the caller) before the send loop and attach it to every skb via skb_zcopy_set(), which takes a reference per skb. Each skb&#39;s completion properly decrements the refcount, and the notification only fires after the last skb is freed. On failure, if no data was sent, the uarg is cleanly aborted via net_zcopy_put_abort(). This issue was initially discovered by sashiko while reviewing commit 1cb36e252211 (&#34;vsock/virtio: fix MSG_ZEROCOPY pinned-pages accounting&#34;) but was pre-existing.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-53365 https://cve.radiocsirt.org/vuln/wid-sec-w-2026-2313 <p>Ein lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.</p> <p>Ein lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2026-2313