CVE-2025-39704 LoongArch: KVM: Fix stack protector issue in send_ipi_data()

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix stack protector issue in sendipidata Function kvmiobusread is called in function sendipidata, buffer size of parameter val should be at least 8 bytes. Since some emulation functions like loongarchipireadl and...

kernel: memory leak upon a kmalloc failure in kvm_io_bus_unregister_dev function in virt/kvm/kvm_main.c

A flaw was found in the KVM hypervisor of the Linux kernel. A memory leak could occur in kvmiobusunregisterdev upon a kmalloc failure. The highest threat from this vulnerability is to system availability...

PT-2020-5874

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.8.10 Description: An issue in the Linux kernel is related to a memory leak in the kvm io bus unregister dev function, located in virt/kvm/kvm main.c, which occurs upon a kmalloc failure. This issue can be...