CVE-2025-39856

MEDIUM

Linux Kernel - Null Pointer Dereference

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0012
EPSS Percentile 2.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (9)
linux/Kernel 6.15.0 - 6.16.6linux
Linux/Linux < 6.15
Linux/Linux 6.15
Linux/Linux 6.16.6 - 6.16.*
Linux/Linux 6.17
Linux/Linux 9a369ae3d1431a83589dde57323a04692dd7fc12 - 485302905bada953aadfe063320d73c892a66cbb
Linux/Linux 9a369ae3d1431a83589dde57323a04692dd7fc12 - a6099f263e1f408bcc7913c9df24b0677164fc5d
linux/linux_kernel 6.17 rc1 (4 CPE variants)
linux/linux_kernel 6.15 - 6.16.6
Published Sep 19, 2025
Tracked Since Feb 18, 2026