https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 19:25:20 +0000 https://vulnerability.circl.lu/vuln/cve-2026-31685 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>netfilter: ip6t_eui64: reject invalid MAC header for all packets</p> <p>`eui64_mt6()` derives a modified EUI-64 from the Ethernet source address and compares it with the low 64 bits of the IPv6 source address.</p> <p>The existing guard only rejects an invalid MAC header when `par-&gt;fragoff != 0`. For packets with `par-&gt;fragoff == 0`, `eui64_mt6()` can still reach `eth_hdr(skb)` even when the MAC header is not valid.</p> <p>Fix this by removing the `par-&gt;fragoff != 0` condition so that packets with an invalid MAC header are rejected before accessing `eth_hdr(skb)`.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>netfilter: ip6t_eui64: reject invalid MAC header for all packets</p> <p>`eui64_mt6()` derives a modified EUI-64 from the Ethernet source address and compares it with the low 64 bits of the IPv6 source address.</p> <p>The existing guard only rejects an invalid MAC header when `par-&gt;fragoff != 0`. For packets with `par-&gt;fragoff == 0`, `eui64_mt6()` can still reach `eth_hdr(skb)` even when the MAC header is not valid.</p> <p>Fix this by removing the `par-&gt;fragoff != 0` condition so that packets with an invalid MAC header are rejected before accessing `eth_hdr(skb)`.</p> https://vulnerability.circl.lu/vuln/cve-2026-31685