UBUNTU-CVE-2022-49884

In the Linux kernel, the following vulnerability has been resolved: KVM: Initialize gfntopfncache locks in dedicated helper Move the gfntopfncache lock initialization to another helper and call the new helper during VM/vCPU creation. There are race conditions possible due to kvmgfntopfncacheinit'...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from improper initialization of the gfntopfncache lock, which could lead to a race condition...

PT-2022-36067 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.8 Description: The issue concerns the KVM's handling of inactive gfn to pfn cache, where attempts to consume or refresh it are not properly rejected. The actual impact and attack plausibility have not yet...