Linux Distros Unpatched Vulnerability : CVE-2024-56544

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - udmabuf: change folios array from kmalloc to kvmalloc When PAGESIZE 4096, MAXPAGEORDER 10, 64bit machine, pagealloc only support 4MB. If above this, trigger thi...

CVE-2024-56544

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-2024-56544

CVE-2024-56544 details a kernel fix where the udmabuf folios array was changed from kmalloc to kvmalloc_array to support larger allocations. Under PAGE_SIZE=4096, MAX_PAGE_ORDER=10 (4MB memory limit for kmalloc), an udmabuf larger than 4MB could fail with a warning and NULL return. The patch enab...