CVE-2026-21991

Published: Mar 16, 2026Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

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

Affected (3)

Products: Oracle: Linux

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Oracle Linux	Version 10 0
Oracle Linux	Version 8
Oracle Linux	Version 9 0

Related CWEs

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (1)

https://linux.oracle.com/cve/CVE-2026-21991.html

Source: secalert_us@oracle.com

Vendor Advisory

Timeline

No history available yet.