SARA / Free Tools / CVE / CVE-2022-3344

CVE-2022-3344 — A flaw was found in the KVM's AMD nested virtualization (SVM)

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).

CVSS
— —
EPSS
0.07% (top 78.90%)
CWE
CWE-440
Published
2022-10-24T00:00:00.000Z
Last modified
2025-05-07T14:17:21.111Z
CVSS vector
—

01What is this vulnerability?

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).

02Affected products

VendorProductVersions
na / Linux kernelAffected versions <= 6.0.3

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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