CVE-2026-21991: medium-severity vulnerability in Oracle Linux
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.2%
A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Oracle Corporation · Oracle LinuxRelated CVEs — Oracle Linux
In the same product, most dangerous first.