CVE-2025-39856

Published: Sep 19, 2025Modified: 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

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix null pointer dereference for ndev In the TX completion packet stage of TI SoCs with CPSW2G instance, which has single external ethernet port, ndev is accessed without being initialized if no TX packets have been processed. It results into null pointer dereference, causing kernel to crash. Fix this by having a check on the number of TX packets which have been processed.

Affected (5)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 6.15 to 6.16.6
Linux Linux Kernel	Version 6.17 rc1
Linux Linux Kernel	Version 6.17 rc2
Linux Linux Kernel	Version 6.17 rc3
Linux Linux Kernel	Version 6.17 rc4

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (2)

https://git.kernel.org/stable/c/485302905bada953aadfe063320d73c892a66cbb

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/a6099f263e1f408bcc7913c9df24b0677164fc5d

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

Timeline

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