PT-2026-68436 · Linux+1 · Linux Kernel+1
CVE-2026-64604
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Published
2026-08-06
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Updated
2026-09-07
None
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Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
An issue exists in the KVM VMX component where the system fails to conditionally grab
vmcs12 during CR8 interception updates. Specifically, vmcs12 should only be retrieved if the vCPU is in guest mode. Failure to do so can lead to a lockdep assertion failure within the get vmcs12() function, particularly during vCPU creation.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
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Related Identifiers
Affected Products
Linux Kernel
Ubuntu