https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 28 Sep 2026 09:33:17 +0000 https://vulnerability.circl.lu/vuln/cve-2025-68186 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ring-buffer: Do not warn in ring_buffer_map_get_reader() when reader catches up</p> <p>The function ring_buffer_map_get_reader() is a bit more strict than the other get reader functions, and except for certain situations the rb_get_reader_page() should not return NULL. If it does, it triggers a warning.</p> <p>This warning was triggering but after looking at why, it was because another acceptable situation was happening and it wasn&#39;t checked for.</p> <p>If the reader catches up to the writer and there&#39;s still data to be read on the reader page, then the rb_get_reader_page() will return NULL as there&#39;s no new page to get.</p> <p>In this situation, the reader page should not be updated and no warning should trigger.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ring-buffer: Do not warn in ring_buffer_map_get_reader() when reader catches up</p> <p>The function ring_buffer_map_get_reader() is a bit more strict than the other get reader functions, and except for certain situations the rb_get_reader_page() should not return NULL. If it does, it triggers a warning.</p> <p>This warning was triggering but after looking at why, it was because another acceptable situation was happening and it wasn&#39;t checked for.</p> <p>If the reader catches up to the writer and there&#39;s still data to be read on the reader page, then the rb_get_reader_page() will return NULL as there&#39;s no new page to get.</p> <p>In this situation, the reader page should not be updated and no warning should trigger.</p> https://vulnerability.circl.lu/vuln/cve-2025-68186