Vulnerability CVE-2022-39189
Published: 2022-09-02

Description:
An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.

 References:
https://bugs.chromium.org/p/project-zero/issues/detail?id=2309
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736
https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17
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