Improper Array Index Validation in MigTD's virtio-serial Driver for Intel TDX Migration Trust Domain

CVE-2026-59771

What is CVE-2026-59771?

The MigTD's virtio-serial driver within the Intel TDX Migration Trust Domain is affected by a flaw that allows for improper array index validation. This vulnerability may enable an adversary with privileged access to execute a low complexity attack, potentially leading to a denial of service. Local access is the primary requirement for exploiting this issue, which means that no user interaction is necessary for an attack to occur. The consequences of this vulnerability could significantly impact the availability of the affected system, underlining the importance of addressing these security risks promptly.

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