CVE-2025-22840 Privilege escalation in Intel(R) Xeon(R) 6 Scalable processors
An authenticated local attacker can escalate privileges on Intel Xeon 6 Scalable processors due to unexpected processor instruction behavior.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-22840?
CVE-2025-22840 is a medium-severity vulnerability in Intel(R) Xeon(R) 6 Scalable processors, published on 12 Aug 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Sequence of processor instructions leads to unexpected behavior for some Intel(R) Xeon(R) 6 Scalable processors may allow an authenticated user to potentially enable escalation of privilege via local access
Weakness: CWE-1281
Which versions are affected by CVE-2025-22840?
How do I fix CVE-2025-22840?
Apply the vendor's patch.
Is CVE-2025-22840 being exploited?
There is no known exploitation of CVE-2025-22840 in the wild and no public exploit code.
Sources
Also known as ALPINE-CVE-2025-22840, BELL-CVE-2025-22840, DEBIAN-CVE-2025-22840, GHSA-rv9h-cmwh-r8m5, UBUNTU-CVE-2025-22840.