Intel Processors Kernel/Hypervisor privileges management

Summaryinfo

A vulnerability categorized as problematic has been discovered in Intel Processors. This affects an unknown part of the component Kernel/Hypervisor. Such manipulation leads to privileges management. This vulnerability is traded as CVE-2025-35973. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Intel Processors (affected version unknown). It has been rated as problematic. Affected by this issue is an unknown functionality of the component Kernel/Hypervisor. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper handling of values for some Intel(R) Processors within Ring 0: Kernel, Hypervisor and Bare Metal OS may allow an escalation of privilege. Authorized adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present with special internal knowledge and require no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts.

The advisory is available at intel.com. This vulnerability is handled as CVE-2025-35973 since 04/15/2025. The exploitation is known to be easy. Local access is required to approach this attack. Additional levels of successful authentication are needed 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 08/11/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

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

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Productinfo

Vendor

• Intel

Name

• Processors

License

• commercial

Website

• Vendor: https://www.intel.com/

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