CVE-2023-39368 Denial of service in Intel(R) Processors
An unauthenticated attacker can cause a denial of service on systems using affected Intel processors via network access due to a bus lock regulator failure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-39368?
CVE-2023-39368 is a medium-severity denial of service vulnerability in Intel(R) Processors, published on 14 Mar 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Protection mechanism failure of bus lock regulator for some Intel(R) Processors may allow an unauthenticated user to potentially enable denial of service via network access.
Weakness: CWE-693
Which versions are affected by CVE-2023-39368?
How do I fix CVE-2023-39368?
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-2023-39368 being exploited?
There is no known exploitation of CVE-2023-39368 in the wild and no public exploit code.
Sources
Also known as ALPINE-CVE-2023-39368, BELL-CVE-2023-39368, DEBIAN-CVE-2023-39368, GHSA-pvrq-gg3w-f695, UBUNTU-CVE-2023-39368.