CVE-2025-38477 Affecting perf package, versions <0:3.10.0-1160.119.1.0.13.el7


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-ORACLE7-PERF-13652566
  • published21 Oct 2025
  • disclosed28 Jul 2025

Introduced: 28 Jul 2025

CVE-2025-38477  (opens in a new tab)

How to fix?

Upgrade Oracle:7 perf to version 0:3.10.0-1160.119.1.0.13.el7 or higher.
This issue was patched in ELSA-2025-17161.

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:7 relevant fixed versions and status.

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

net/sched: sch_qfq: Fix race condition on qfq_aggregate

A race condition can occur when 'agg' is modified in qfq_change_agg (called during qfq_enqueue) while other threads access it concurrently. For example, qfq_dump_class may trigger a NULL dereference, and qfq_delete_class may cause a use-after-free.

This patch addresses the issue by:

  1. Moved qfq_destroy_class into the critical section.

  2. Added sch_tree_lock protection to qfq_dump_class and qfq_dump_class_stats.

CVSS Base Scores

version 3.1