kernel: udmabuf: change folios array from kmalloc to kvmalloc

In the Linux kernel, the following vulnerability has been resolved: udmabuf: change folios array from kmalloc to kvmalloc When PAGESIZE 4096, MAXPAGEORDER 10, 64bit machine, pagealloc only support 4MB. If above this, trigger this warn and return NULL. udmabuf can change size limit, if change it t...

CVE-2024-46847 mm: vmalloc: ensure vmap_block is initialised before adding to queue

In the Linux kernel, the following vulnerability has been resolved: mm: vmalloc: ensure vmapblock is initialised before adding to queue Commit 8c61291fd850 "mm: fix incorrect vbq reference in purgefragmentedblock" extended the 'vmapblock' structure to contain a 'cpu' field which is set at...