CVE-2023-43490 Information disclosure in Intel(R) Xeon(R) D Processors with Intel(R) SGX
A privileged local attacker can exploit incorrect microcode keying calculations in Intel Xeon D processors with SGX to disclose sensitive information.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-43490?
CVE-2023-43490 is a medium-severity vulnerability in Intel(R) Xeon(R) D Processors with Intel(R) SGX, published on 14 Mar 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Incorrect calculation in microcode keying mechanism for some Intel(R) Xeon(R) D Processors with Intel(R) SGX may allow a privileged user to potentially enable information disclosure via local access.
Weakness: CWE-682
Which versions are affected by CVE-2023-43490?
How do I fix CVE-2023-43490?
Apply the vendor's patch.
Is CVE-2023-43490 being exploited?
There is no known exploitation of CVE-2023-43490 in the wild and no public exploit code.
Sources
Also known as ALPINE-CVE-2023-43490, BELL-CVE-2023-43490, DEBIAN-CVE-2023-43490, GHSA-vww6-323c-pxr2, UBUNTU-CVE-2023-43490.