CVE-2026-12233 Uninitialized mutex in TLS trusted-credential backend causes kernel NULL-deref DoS under contention

The PSA Protected Storage credential backend subsys/net/lib/tlscredentials/tlscredentialstrusted.c declared its credential-store mutex as a plain zero-filled static struct kmutex credentiallock; and never called kmutexinit on it. A statically zero-filled kmutex has an uninitialized wait queue its...