CVE-2025-21950 drivers: virt: acrn: hsm: Use kzalloc to avoid info leak in pmcmd_ioctl

In the Linux kernel, the following vulnerability has been resolved: drivers: virt: acrn: hsm: Use kzalloc to avoid info leak in pmcmdioctl In the "pmcmdioctl" function, three memory objects allocated by kmalloc are initialized by "hcallgetcpustate", which are then copied to user space. The...