CVE-2026-64452 6lowpan: fix NHC entry use-after-free on error path

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix NHC entry use-after-free on error path lowpannhcdouncompression looks up an NHC descriptor while holding lowpannhclock. If the descriptor has no uncompress callback, the error path drops the lock before printing...

PT-2026-64673

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix NHC entry use-after-free on error path lowpan nhc do uncompression looks up an NHC descriptor while holding lowpan nhc lock. If the descriptor has no uncompress callback, the error path drops the lock before printing...