Wind River Support Network

Description

In the Linux kernel, the following vulnerability has been resolved:[EOL][EOL]net/ip6_tunnel: Prevent perpetual tunnel growth[EOL][EOL]Similarly to ipv4 tunnel, ipv6 version updates dev->needed_headroom, too.[EOL]While ipv4 tunnel headroom adjustment growth was limited in[EOL]commit 5ae1e9922bbd ("net: ip_tunnel: prevent perpetual headroom growth"),[EOL]ipv6 tunnel yet increases the headroom without any ceiling.[EOL][EOL]Reflect ipv4 tunnel headroom adjustment limit on ipv6 version.[EOL][EOL]Credits to Francesco Ruggeri, who was originally debugging this issue[EOL]and wrote local Arista-specific patch and a reproducer.