CVE-2023-42667 Privilege escalation in Intel(R) Core(TM) Ultra Processor stream cache mechanism
An authenticated local attacker can escalate privileges via improper isolation in the Intel Core Ultra Processor stream cache mechanism.
- 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-2023-42667?
CVE-2023-42667 is a high-severity vulnerability in Intel(R) Core(TM) Ultra Processor stream cache mechanism, published on 14 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper isolation in the Intel(R) Core(TM) Ultra Processor stream cache mechanism may allow an authenticated user to potentially enable escalation of privilege via local access.
Weakness: CWE-1189
Which versions are affected by CVE-2023-42667?
How do I fix CVE-2023-42667?
Apply the vendor's patch.
Is CVE-2023-42667 being exploited?
There is no known exploitation of CVE-2023-42667 in the wild and no public exploit code.
Sources
Also known as ALPINE-CVE-2023-42667, BELL-CVE-2023-42667, DEBIAN-CVE-2023-42667, GHSA-fc9m-v759-xj58, UBUNTU-CVE-2023-42667.