CVE-2021-33098: Intel Ethernet 500 Series Controllers Driver

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper input validation in the Intel(R) Ethernet ixgbe driver for Linux before version 3.17.3 may allow an authenticated user to potentially enable denial of service via local access.

Affected products

• Intel Ethernet 500 Series Controllers Driver: before 3.17.3 (fixed in 3.17.3)

Published 2021-11-17. Last modified 2026-06-17.