https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 28 Sep 2026 18:39:38 +0000 https://vulnerability.circl.lu/vuln/cve-2022-49776 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>macvlan: enforce a consistent minimal mtu</p> <p>macvlan should enforce a minimal mtu of 68, even at link creation.</p> <p>This patch avoids the current behavior (which could lead to crashes in ipv6 stack if the link is brought up)</p> <p>$ ip link add macvlan1 link eno1 mtu 8 type macvlan # This should fail ! $ ip link sh dev macvlan1 5: macvlan1@eno1: &lt;BROADCAST,MULTICAST&gt; mtu 8 qdisc noop state DOWN mode DEFAULT group default qlen 1000 link/ether 02:47:6c:24:74:82 brd ff:ff:ff:ff:ff:ff $ ip link set macvlan1 mtu 67 Error: mtu less than device minimum. $ ip link set macvlan1 mtu 68 $ ip link set macvlan1 mtu 8 Error: mtu less than device minimum.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>macvlan: enforce a consistent minimal mtu</p> <p>macvlan should enforce a minimal mtu of 68, even at link creation.</p> <p>This patch avoids the current behavior (which could lead to crashes in ipv6 stack if the link is brought up)</p> <p>$ ip link add macvlan1 link eno1 mtu 8 type macvlan # This should fail ! $ ip link sh dev macvlan1 5: macvlan1@eno1: &lt;BROADCAST,MULTICAST&gt; mtu 8 qdisc noop state DOWN mode DEFAULT group default qlen 1000 link/ether 02:47:6c:24:74:82 brd ff:ff:ff:ff:ff:ff $ ip link set macvlan1 mtu 67 Error: mtu less than device minimum. $ ip link set macvlan1 mtu 68 $ ip link set macvlan1 mtu 8 Error: mtu less than device minimum.</p> https://vulnerability.circl.lu/vuln/cve-2022-49776