CVE-2021-38575: Insyde Kernel

High severity, CVSS 8.1. EPSS: 2% chance of exploitation in the next 30 days.

NetworkPkg/IScsiDxe has remotely exploitable buffer overflows.

Affected products

• Insyde Kernel: version 5.0 only; version 5.1 only; version 5.2 only; version 5.3 only; version 5.4 only; version 5.5 only
• Tianocore EDK2: up to and including 202105

Published 2021-12-01. Last modified 2026-06-17.