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CVE-2025-71313

kernel: PCI: endpoint: Add missing NULL check for alloc_workqueue()

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Severity

Low

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · June 3, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's PCI endpoint driver. A missing NULL check for the alloc_workqueue() function can lead to a NULL pointer dereference if memory allocation fails. This vulnerability, specifically within the epf_ntb_epc_init() function, allows a local attacker to cause a system crash, resulting in a Denial of Service (DoS).

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 · 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-476 · NULL Pointer Dereference