CVE-2022-1789

MEDIUM

Linux Kernel < 5.8 - NULL Pointer Dereference via INVPCID Instruction with CR0.PG=0

Title source: llm

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.

References (7)

Core 7

Core References

Not Applicable x_refsource_misc

https://francozappa.github.io/about-bias/

Not Applicable x_refsource_misc

https://bugzilla.redhat.com/show_bug.cgi?id=1832397

Not Applicable x_refsource_misc

https://kb.cert.org/vuls/id/647177/

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IBUOQTNTQ4ZCXHOCNKYIL2ZUIAZ675RD/

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KCEAPIVPRTJHKPF2A2HVF5XHD5XJT3MN/

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6JP355XFVAB33X4BNO3ERVTURFYEDB7/

Third Party Advisory vendor-advisory x_refsource_debian

https://www.debian.org/security/2022/dsa-5161

Scores

CVSS v3 6.8

EPSS 0.0002

EPSS Percentile 4.7%

Attack Vector PHYSICAL

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

Details

CWE

CWE-476

Status published

Products (6)

debian/debian_linux 11.0

fedoraproject/fedora 34

fedoraproject/fedora 35

fedoraproject/fedora 36

linux/linux_kernel < 5.8

redhat/enterprise_linux 9.0

Published Jun 02, 2022

Tracked Since Feb 18, 2026