https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 01 Oct 2026 23:42:21 +0000 https://vulnerability.circl.lu/vuln/cve-2026-63969 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ipv6: fix possible infinite loop in rt6_fill_node()</p> <p>Sashiko reported this issue [1]. Apply the same fix as commit f8d8ce1b515a (&#34;ipv6: fix possible infinite loop in fib6_info_uses_dev()&#34;).</p> <p>Writers holding tb6_lock can list_del_rcu(&amp;rt-&gt;fib6_siblings) without waiting for RCU readers; rt-&gt;fib6_siblings.next then still points into the old ring and this softirq-side walker never reaches &amp;rt-&gt;fib6_siblings, causing a CPU stall. fib6_del_route() always WRITE_ONCE()s rt-&gt;fib6_nsiblings to 0 before list_del_rcu(), so an inside-loop check is a reliable detach signal.</p> <p>[1] https://sashiko.dev/#/patchset/20260526020227.4857-1-jiayuan.chen%40linux.dev</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ipv6: fix possible infinite loop in rt6_fill_node()</p> <p>Sashiko reported this issue [1]. Apply the same fix as commit f8d8ce1b515a (&#34;ipv6: fix possible infinite loop in fib6_info_uses_dev()&#34;).</p> <p>Writers holding tb6_lock can list_del_rcu(&amp;rt-&gt;fib6_siblings) without waiting for RCU readers; rt-&gt;fib6_siblings.next then still points into the old ring and this softirq-side walker never reaches &amp;rt-&gt;fib6_siblings, causing a CPU stall. fib6_del_route() always WRITE_ONCE()s rt-&gt;fib6_nsiblings to 0 before list_del_rcu(), so an inside-loop check is a reliable detach signal.</p> <p>[1] https://sashiko.dev/#/patchset/20260526020227.4857-1-jiayuan.chen%40linux.dev</p> https://vulnerability.circl.lu/vuln/cve-2026-63969