CVE-2023-46103 Denial of service in Intel(R) Core(TM) Ultra Processors
An authenticated local attacker can cause a denial of service on Intel Core Ultra Processors through specific instruction sequences.
- 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-2023-46103?
CVE-2023-46103 is a medium-severity denial of service vulnerability in Intel(R) Core(TM) Ultra Processors, published on 16 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Sequence of processor instructions leads to unexpected behavior in Intel(R) Core(TM) Ultra Processors may allow an authenticated user to potentially enable denial of service via local access.
Weakness: CWE-1281
Which versions are affected by CVE-2023-46103?
How do I fix CVE-2023-46103?
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-2023-46103 being exploited?
There is no known exploitation of CVE-2023-46103 in the wild and no public exploit code.
Sources
Also known as ALPINE-CVE-2023-46103, BELL-CVE-2023-46103, DEBIAN-CVE-2023-46103, GHSA-xp8f-77p3-p5rv, UBUNTU-CVE-2023-46103.