Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013197)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013197 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv6: ensure sane device mtu in tunnels Another syzbot report 1 with no reproducer hints at a bug...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010948)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010948 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv6: ensure sane device mtu in tunnels Another syzbot report 1 with no reproducer hints at a bug...

CVE-2022-50816

In the Linux kernel, the following vulnerability has been resolved: ipv6: ensure sane device mtu in tunnels Another syzbot report 1 with no reproducer hints at a bug in ip6gre tunnel dev:ip6gretap0 Since ipv6 mcast code makes sure to read dev-mtu once and applies a sanity check on it see commit...

kernel: ipv6: ensure sane device mtu in tunnels

A flaw was found in the Linux kernel’s IPv6 networking code affecting the handling of IPv6 GRE tunnels. Under certain conditions, an IPv6 tunnel configuration could result in an invalid MTU Maximum Transmission Unit value being written to a network device without sanitization. Because the MTU val...