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CVE-2022-3344

Date: October 23, 2022

A flaw was found in the KVM's AMD nested virtualization (SVM). A malicious L1 guest could purposely fail to intercept the shutdown of a cooperative nested guest (L2), possibly leading to a page fault and kernel panic in the host (L0).

Severity Score

Related Resources (7)

https://lore.kernel.org/lkml/20221020093055.224317-5-mlevitsk%40redhat.com/T/
https://lore.kernel.org/lkml/20221020093055.224317-5-mlevitsk@redhat.com/T/
https://security-tracker.debian.org/tracker/CVE-2022-3344
https://bugzilla.redhat.com/show_bug.cgi?id=2130278
https://nvd.nist.gov/vuln/detail/CVE-2022-3344
https://access.redhat.com/security/cve/CVE-2022-3344
https://www.mend.io/vulnerability-database/CVE-2022-3344

Severity Score

Weakness Type (CWE)

Expected Behavior Violation

CWE-440

CVSS v3.1

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

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