Backport request for commit 134121bfd99a ("ipvs: Defer ip_vs_ftp unregister during netns cleanup")

Slavin Liu <[email protected]> Mon, 13 Oct 2025 17:34:49 +0800

Newsgroups	org.kernel.vger.lvs-devel,org.kernel.vger.netdev,org.kernel.vger.netfilter-devel,org.kernel.vger.stable
Message-ID	<[email protected]>

Hi,

I would like to request backporting 134121bfd99a ("ipvs: Defer ip_vs_ftp 
unregister during netns cleanup") to all LTS kernels.

This fixes a UAF vulnerability in IPVS that was introduced since v2.6.39, and 
the patch applies cleanly to the LTS kernels.

thanks,

Slavin Liu