CVE-2021-0004: Fedoraproject Fedora

Medium severity, CVSS 4.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper buffer restrictions in the firmware of Intel(R) Ethernet Adapters 800 Series Controllers and associated adapters before version 1.5.3.0 may allow a privileged user to potentially enable denial of service via local access.

Affected products

• Fedoraproject Fedora: version 34 only
• Intel Ethernet Controller e810 Firmware: before 1.5.3.0 (fixed in 1.5.3.0)

Published 2021-08-11. Last modified 2026-06-17.