CVE-2022-1789

 

Published at: - 02-06-2022 04:15

Last modified: - 26-10-2022 01:44

Total changes: - 6

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://francozappa.github.io/about-bias/
• https://kb.cert.org/vuls/id/647177/
• https://bugzilla.redhat.com/show_bug.cgi?id=1832397
• FEDORA-2022-3b86247c11-Mailing List, Third Party Advisory
• FEDORA-2022-ef8c8a5925-Mailing List, Third Party Advisory
• FEDORA-2022-be819b07a3-Mailing List, Third Party Advisory
• DSA-5161-Third Party Advisory

 

Keywords

NVD

 

CVE-2022-1789

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures