imPC@ndo IT

Tracker / CVE-2022-1789

CVE-2022-1789

Medium 6.8

With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the invlpg callback is not set and the result is a NULL pointer dereference.

Affected products and versions

debian debian_linux
fedoraproject fedora
linux linux_kernel · … → 5.8
redhat enterprise_linux

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References