In the Linux kernel, the following vulnerability has been resolved:ubifs: skip dumping tnc tree when zroot is nullClearing slab cache will free all znode in memory and makec->zroot.znode = NULL, then dumping tnc tree will accessc->zroot.znode which cause null pointer dereference.
No PoCs from references.
- https://github.com/w4zu/Debian_security