CVE-2024-21823 Privilege escalation in Intel(R) DSA and Intel(R) IAA for some Intel(R) 4th or 5th generation Xeon(R) processors
An authorized local user can escalate privileges via insecure hardware logic in Intel DSA and IAA on specific Xeon processors.
- 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-2024-21823?
CVE-2024-21823 is a high-severity vulnerability in Intel(R) DSA and Intel(R) IAA for some Intel(R) 4th or 5th generation Xeon(R) 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
Hardware logic with insecure de-synchronization in Intel(R) DSA and Intel(R) IAA for some Intel(R) 4th or 5th generation Xeon(R) processors may allow an authorized user to potentially enable escalation of privilege local access
Which versions are affected by CVE-2024-21823?
How do I fix CVE-2024-21823?
Apply the vendor's patch.
Is CVE-2024-21823 being exploited?
There is no known exploitation of CVE-2024-21823 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2024-21823, DEBIAN-CVE-2024-21823, GHSA-jmpm-75w8-qgjx, ROOT-OS-DEBIAN-11-CVE-2024-21823, UBUNTU-CVE-2024-21823.