CVE-2022-1789

MEDIUM
6.8
CVSS Score
Published: May 31, 2022 at 06:48 PM UTC
Updated: June 17, 2026 at 04:23 AM UTC
5 products affected across 4 vendorsLinux KernelDebian LinuxFedora

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.3%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.8
Affected range stops below 5.8, so it looks safe — our inference, not a vendor statement

CVSS

Attack Vector
PHYSICAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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