CVE-2025-39825 Affecting perf package, versions <0:4.18.0-553.87.1.el8_10


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-ORACLE8-PERF-14168195
  • published3 Dec 2025
  • disclosed16 Sept 2025

Introduced: 16 Sep 2025

CVE-2025-39825  (opens in a new tab)

How to fix?

Upgrade Oracle:8 perf to version 0:4.18.0-553.87.1.el8_10 or higher.
This issue was patched in ELSA-2025-22388.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

smb: client: fix race with concurrent opens in rename(2)

Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all existing open handles as deleted to prevent them from deferring closes, which increases the race window for potential concurrent opens on the target file.

Fix this by unhashing the dentry in advance to prevent any concurrent opens on the target.

CVSS Base Scores

version 3.1