https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 01 Oct 2026 20:27:57 +0000 https://vulnerability.circl.lu/vuln/cve-2026-74475 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>vxlan: use neigh_ha_snapshot() in route_shortcircuit()</p> <p>The neighbour hardware address n-&gt;ha can be updated asynchronously by the neighbour subsystem, protected by n-&gt;ha_lock seqlock. Reading n-&gt;ha without holding the seqlock loop can lead to torn reads or reading a partially updated MAC address.</p> <p>Use neigh_ha_snapshot() in route_shortcircuit() to safely copy n-&gt;ha under read_seqbegin()/read_seqretry() lock protection before using it.</p> <p>Note that arp_reduce() and neigh_reduce() seem to have the same issue left for future patches.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>vxlan: use neigh_ha_snapshot() in route_shortcircuit()</p> <p>The neighbour hardware address n-&gt;ha can be updated asynchronously by the neighbour subsystem, protected by n-&gt;ha_lock seqlock. Reading n-&gt;ha without holding the seqlock loop can lead to torn reads or reading a partially updated MAC address.</p> <p>Use neigh_ha_snapshot() in route_shortcircuit() to safely copy n-&gt;ha under read_seqbegin()/read_seqretry() lock protection before using it.</p> <p>Note that arp_reduce() and neigh_reduce() seem to have the same issue left for future patches.</p> https://vulnerability.circl.lu/vuln/cve-2026-74475