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CVE-2020-27152

Description

An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9.

POC

Reference

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2

- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77377064c3a94911339f13ce113b3abf265e06da

Github

- https://github.com/evdenis/cvehound