CVE-2026-21991: Oracle Linux

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names.

Affected products

• Oracle Linux: version 8 only; version 9 only; version 10 only

Published 2026-03-16. Last modified 2026-06-17.