CVE-2025-21086 Privilege escalation in Intel(R) 700 Series Ethernet
An authenticated user can escalate privileges via improper input validation in the Intel 700 Series Ethernet kernel driver.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-21086?
CVE-2025-21086 is a medium-severity vulnerability in Intel(R) 700 Series Ethernet, published on 12 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper input validation in the Linux kernel-mode driver for some Intel(R) 700 Series Ethernet before version 2.28.5 may allow an authenticated user to potentially enable escalation of privilege.
Weakness: CWE-20
Which versions are affected by CVE-2025-21086?
How do I fix CVE-2025-21086?
No fix has been published for CVE-2025-21086 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-21086 being exploited?
There is no known exploitation of CVE-2025-21086 in the wild and no public exploit code.
Sources
Also known as GHSA-qc23-hwvp-v245.