CVE-2022-21136 Denial of service in Intel(R) Xeon(R) Processors
A privileged local attacker can cause a denial of service on Intel Xeon processors due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-21136?
CVE-2022-21136 is a medium-severity denial of service vulnerability in Intel(R) Xeon(R) Processors, published on 12 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper input validation for some Intel(R) Xeon(R) Processors may allow a privileged user to potentially enable denial of service via local access.
Weakness: CWE-20
Which versions are affected by CVE-2022-21136?
It affects 146 products.
Products include Intel Core I9-7900x Firmware, Intel Core I9-7920x Firmware, Intel Core I9-7940x Firmware, Intel Core I9-7960x Firmware, Intel Core I9-7980xe Firmware, Intel Xeon Bronze 3104 Firmware and 140 more.
How do I fix CVE-2022-21136?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-21136 being exploited?
There is no known exploitation of CVE-2022-21136 in the wild and no public exploit code.
Other vulnerabilities in Intel(R) Xeon(R) Processors
Sources
Also known as GHSA-3xg3-qffw-vc65.