CVE-2026-21991
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.2%
exploitation probability
0.2%top 92% of all CVEs
observed exploitation
nono source reports it
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 Linux