CVE-2025-39784

kernel: Linux kernel: PCI link speed calculation DoS

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 11, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel. This vulnerability allows a denial of service via incorrect link speed calculation on retrain failure.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-1419 · Incorrect Initialization of Resource