https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 15:58:52 +0000 https://vulnerability.circl.lu/vuln/cve-2026-63993 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu()</p> <p>skb_tunnel_check_pmtu() can change skb-&gt;head.</p> <p>Reusing old_iph afer skb_tunnel_check_pmtu() can cause an UAF.</p> <p>Use instead ip_hdr(skb) as done in drivers/net/bareudp.c and drivers/net/geneve.c.</p> <p>Found by Sashiko.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu()</p> <p>skb_tunnel_check_pmtu() can change skb-&gt;head.</p> <p>Reusing old_iph afer skb_tunnel_check_pmtu() can cause an UAF.</p> <p>Use instead ip_hdr(skb) as done in drivers/net/bareudp.c and drivers/net/geneve.c.</p> <p>Found by Sashiko.</p> https://vulnerability.circl.lu/vuln/cve-2026-63993