In the Linux kernel, the following vulnerability has been resolved: vfio/platform: check the bounds of read/write syscalls count and offset are passed from user space and not checked, only offset is capped to 40 bits, which can be used to read/write out of bounds of the device.
Upstream advisory: https://lore.kernel.org/linux-cve-announce/2025021054-CVE-2025-21687-59a8@gregkh/T