In the Linux kernel, the following vulnerability has been resolved:ALSA: pcm: Add sanity NULL check for the default mmap fault handlerA driver might allow the mmap access before initializing itsruntime->dma_area properly. Add a proper NULL check before passing tovirt_to_page() for avoiding a panic.
No PoCs from references.
- https://github.com/cku-heise/euvd-api-doc
- https://github.com/w4zu/Debian_security