CVE-2026-64562

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Hide shadow VMCS right after VMCLEAR free_nested() frees the shadow VMCS while vmcs01 still points to it. But because it is asynchronous with respect to loaded_vmcs_clear(), the vCPU might migrate before the pointer is cleared and __loaded_vmcs_clear() may then execute VMCLEAR. The VMCS needs to stay attached until its explicit VMCLEAR completes, but then it can be hidden and the page safely freed.

Published 04 Aug 2026, 07:16 UTC Last modified 04 Aug 2026, 07:16 UTC

Attack profile

The conditions required to exploit this vulnerability and its potential impact.

Attack vector Not assessed

Attack complexity Not assessed

Privileges required Not assessed

User interaction Not assessed

Scope Not assessed

Confidentiality Not assessed

Integrity Not assessed

Availability Not assessed

Affected products

Product applicability statements supplied with the NVD record.

NVD has not published structured affected-product data for this record.

Weakness classification

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Weakness classification is still awaiting analysis.

Source references

External advisories, patches and technical reports attached to this CVE record.

NVD National Vulnerability Database recordnvd.nist.gov 01 Technical reference 416baaa9-dc9f-4396-8d5f-8c081fb06d67 02 Technical reference 416baaa9-dc9f-4396-8d5f-8c081fb06d67 03 Technical reference 416baaa9-dc9f-4396-8d5f-8c081fb06d67 04 Technical reference 416baaa9-dc9f-4396-8d5f-8c081fb06d67 05 Technical reference 416baaa9-dc9f-4396-8d5f-8c081fb06d67