https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 11:39:05 +0000 https://vulnerability.circl.lu/vuln/bell-cve-2026-89500 <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://vulnerability.circl.lu/vuln/bell-cve-2026-89500 https://vulnerability.circl.lu/vuln/fkie_cve-2026-89500 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ring-buffer: Make cpu_buffer::free_page a buffer_data_read_page</p> <p>Discarding a cached reader page after a concurrent ring buffer resize uses the new global subbuf_order for the free_pages() call. This mismatched order may crashes the kernel or leaks memory because the cached page was allocated under the old size.</p> <p>Save the actual free_page order alongside the page address to ensure we always refer to the correct value and do not rely on the potentially stalled cpu_buffer-&gt;subbuf_order value. The simplest is to make free_page a buffer_data_read_page which already covers exactly what we need: a page address and a page order.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ring-buffer: Make cpu_buffer::free_page a buffer_data_read_page</p> <p>Discarding a cached reader page after a concurrent ring buffer resize uses the new global subbuf_order for the free_pages() call. This mismatched order may crashes the kernel or leaks memory because the cached page was allocated under the old size.</p> <p>Save the actual free_page order alongside the page address to ensure we always refer to the correct value and do not rely on the potentially stalled cpu_buffer-&gt;subbuf_order value. The simplest is to make free_page a buffer_data_read_page which already covers exactly what we need: a page address and a page order.</p> https://vulnerability.circl.lu/vuln/fkie_cve-2026-89500 https://vulnerability.circl.lu/vuln/ghsa-h78f-r23h-v8hg <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ring-buffer: Make cpu_buffer::free_page a buffer_data_read_page</p> <p>Discarding a cached reader page after a concurrent ring buffer resize uses the new global subbuf_order for the free_pages() call. This mismatched order may crashes the kernel or leaks memory because the cached page was allocated under the old size.</p> <p>Save the actual free_page order alongside the page address to ensure we always refer to the correct value and do not rely on the potentially stalled cpu_buffer-&gt;subbuf_order value. The simplest is to make free_page a buffer_data_read_page which already covers exactly what we need: a page address and a page order.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ring-buffer: Make cpu_buffer::free_page a buffer_data_read_page</p> <p>Discarding a cached reader page after a concurrent ring buffer resize uses the new global subbuf_order for the free_pages() call. This mismatched order may crashes the kernel or leaks memory because the cached page was allocated under the old size.</p> <p>Save the actual free_page order alongside the page address to ensure we always refer to the correct value and do not rely on the potentially stalled cpu_buffer-&gt;subbuf_order value. The simplest is to make free_page a buffer_data_read_page which already covers exactly what we need: a page address and a page order.</p> https://vulnerability.circl.lu/vuln/ghsa-h78f-r23h-v8hg https://vulnerability.circl.lu/vuln/opensuse-su-2026:11805-1 <p>kernel-devel-7.2.6-1.1 on GA media</p> <p>kernel-devel-7.2.6-1.1 on GA media</p> https://vulnerability.circl.lu/vuln/opensuse-su-2026:11805-1 https://vulnerability.circl.lu/vuln/ubuntu-cve-2026-89500 <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: ring-buffer: Make cpu_buffer::free_page a buffer_data_read_page Discarding a cached reader page after a concurrent ring buffer resize uses the new global subbuf_order for the free_pages() call. This mismatched order may crashes the kernel or leaks memory because the cached page was allocated under the old size. Save the actual free_page order alongside the page address to ensure we always refer to the correct value and do not rely on the potentially stalled cpu_buffer-&gt;subbuf_order value. The simplest is to make free_page a buffer_data_read_page which already covers exactly what we need: a page address and a page order.</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: ring-buffer: Make cpu_buffer::free_page a buffer_data_read_page Discarding a cached reader page after a concurrent ring buffer resize uses the new global subbuf_order for the free_pages() call. This mismatched order may crashes the kernel or leaks memory because the cached page was allocated under the old size. Save the actual free_page order alongside the page address to ensure we always refer to the correct value and do not rely on the potentially stalled cpu_buffer-&gt;subbuf_order value. The simplest is to make free_page a buffer_data_read_page which already covers exactly what we need: a page address and a page order.</p> https://vulnerability.circl.lu/vuln/ubuntu-cve-2026-89500