https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 00:26:40 +0000 https://vulnerability.circl.lu/vuln/cve-2026-23083 <p><strong>Affected:</strong> Linux, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>fou: Don&#39;t allow 0 for FOU_ATTR_IPPROTO.</p> <p>fou_udp_recv() has the same problem mentioned in the previous patch.</p> <p>If FOU_ATTR_IPPROTO is set to 0, skb is not freed by fou_udp_recv() nor &#34;resubmit&#34;-ted in ip_protocol_deliver_rcu().</p> <p>Let&#39;s forbid 0 for FOU_ATTR_IPPROTO.</p> <p><strong>Affected:</strong> Linux, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>fou: Don&#39;t allow 0 for FOU_ATTR_IPPROTO.</p> <p>fou_udp_recv() has the same problem mentioned in the previous patch.</p> <p>If FOU_ATTR_IPPROTO is set to 0, skb is not freed by fou_udp_recv() nor &#34;resubmit&#34;-ted in ip_protocol_deliver_rcu().</p> <p>Let&#39;s forbid 0 for FOU_ATTR_IPPROTO.</p> https://vulnerability.circl.lu/vuln/cve-2026-23083