CVE-2026-63870 | Linux Kernel up to 7.0.12 6lowpan net/bluetooth/6lowpan.c lowpan_xmit uninitialized variable

A vulnerability was found in Linux Kernel up to 7.0.12 and classified as very critical. The affected element is the function lowpan_xmit of the file net/bluetooth/6lowpan.c of the component 6lowpan. The manipulation results in use of uninitialized variable.

This vulnerability is identified as CVE-2026-63870. The attack can be executed remotely. There is not any exploit available.