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CVE-2022-1789

Date: May 31, 2022

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.

Severity Score

6.8

Related Resources (15)

Url: https://security-tracker.debian.org/tracker/CVE-2022-1789

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

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2022-1789

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

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-1789

Url: https://access.redhat.com/security/cve/CVE-2022-1789

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

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

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

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KCEAPIVPRTJHKPF2A2HVF5XHD5XJT3MN/

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

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IBUOQTNTQ4ZCXHOCNKYIL2ZUIAZ675RD/

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

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H6JP355XFVAB33X4BNO3ERVTURFYEDB7/

Url: https://www.mend.io/vulnerability-database/CVE-2022-1789

Severity Score

6.8

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:	6.8
Attack Vector (AV):	PHYSICAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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