CVE-2022-33196 Privilege escalation in Intel(R) Xeon(R) Processors with IntelÂ® Software Guard Extensions (SGX)

High 7.2 Published 16 Feb 2023 Updated 27 Jan 2025

A privileged local user can escalate privileges due to incorrect default permissions in Intel Xeon SGX memory controller configurations.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2022-33196?

CVE-2022-33196 is a high-severity vulnerability in Intel(R) Xeon(R) Processors with IntelÂ® Software Guard Extensions (SGX), published on 16 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Incorrect default permissions in some memory controller configurations for some Intel(R) Xeon(R) Processors when using Intel(R) Software Guard Extensions which may allow a privileged user to potentially enable escalation of privilege via local access.

Weakness: CWE-276

Which versions are affected by CVE-2022-33196?

It affects 136 products.

Products include Intel Xeon D-1513n Firmware, Intel Xeon D-1518 Firmware, Intel Xeon D-1520 Firmware, Intel Xeon D-1521 Firmware, Intel Xeon D-1523n Firmware, Intel Xeon D-1527 Firmware and 130 more.

How do I fix CVE-2022-33196?

Apply the vendor's patch.

Is CVE-2022-33196 being exploited?

There is no known exploitation of CVE-2022-33196 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2022-33196, DEBIAN-CVE-2022-33196, GHSA-p934-6v76-mvww, UBUNTU-CVE-2022-33196.