kernel: udmabuf: fix a buf size overflow issue during udmabuf creation

A buffer-overflow vulnerability was found in the Linux kernel's udmabuf driver. The flaw occurs in the udmabufcreate function, which calculates the page count limit pglimit using the variable sizelimitmb. This size variable can be misinterpreted as either 32-bit or 64-bit, resulting in incorrect...

UBUNTU-CVE-2025-37803

In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix a buf size overflow issue during udmabuf creation by casting sizelimitmb to u64 when calculate pglimit...