Intel TDX Migration Trust Domain virtio-serial driver array index

Summaryinfo

A vulnerability was found in Intel TDX Migration Trust Domain and classified as problematic. Affected by this issue is some unknown functionality of the component virtio-serial driver. The manipulation results in array index. This vulnerability is reported as CVE-2026-59771. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Intel TDX Migration Trust Domain (the affected version is unknown). Affected is an unknown code of the component virtio-serial driver. The manipulation with an unknown input leads to a array index vulnerability. CWE is classifying the issue as CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. This is going to have an impact on availability. CVE summarizes:

Improper validation of array index in the MigTD's virtio-serial driver for the Intel(R) TDX Migration Trust Domain (MigTD) within Ring 0: Hypervisor may allow a denial of service. System software adversary with a privileged user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

The advisory is available at intel.com. This vulnerability is traded as CVE-2026-59771 since 07/15/2026. The exploitability is told to be easy. Local access is required to approach this attack. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/10/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Intel

Name

• TDX Migration Trust Domain

License

• commercial

Website

• Vendor: https://www.intel.com/

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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