CVE-2026-52915

A flaw was found in the Linux kernel's netfilter subsystem, specifically within the ip6thbh module responsible for handling IPv6 Hop-by-Hop HBH options. This vulnerability allows a local attacker to provide an oversized list of HBH options from userspace, leading to an out-of-bounds write. This c...

UBUNTU-CVE-2026-52915

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6thbh: reject oversized option lists struct ip6topts stores at most IP6TOPTSOPTSNR option descriptors, but hbhmt6check does not reject larger optsnr values supplied from userspace. Validate optsnr in the rule setup...

Linux Distros Unpatched Vulnerability : CVE-2026-52915

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: ip6thbh: reject oversized option lists struct ip6topts stores at most IP6TOPTSOPTSNR option descriptors, but hbhmt6check does not reject larger optsn...