CVE-2025-38420

MEDIUM

MEDIUM Priority: 0.01 BB Relevance: 36/100

Published: 2025-07-25 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local

AC: Low

PR: Low

UI: None

S: Unchanged

C: None

I: None

A: High

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: do not ping device which has failed to load firmware Syzkaller reports [1, 2] crashes caused by an attempts to ping the device which has failed to load firmware. Since such a device doesn't pass 'ieee80211_register_hw()', an internal workqueue managed by 'ieee80211_queue_work()' is not yet created and an attempt to queue work on it causes null-ptr-deref. [1] https://syzkaller.appspot.com/bug?extid=9a4aec827829942045ff [2] https://syzkaller.appspot.com/bug?extid=0d8afba53e8fb2633217

Weakness Classification (1)

CWE-476

Affected Software (13)

Vendor	Product	Version
Linux	Linux	e4a668c59080f862af3ecc28b359533027cbe434 < 0140d3d37f0f1759d1fdedd854c7875a86e15f8d
Linux	Linux	e4a668c59080f862af3ecc28b359533027cbe434 < 8a3734a6f4c05fd24605148f21fb2066690d61b3
Linux	Linux	e4a668c59080f862af3ecc28b359533027cbe434 < 527fad1ae32ffa2d4853a1425fe1c8dbb8c9744c
Linux	Linux	e4a668c59080f862af3ecc28b359533027cbe434 < bfeede26e97ce4a15a0b961118de4a0e28c9907a
Linux	Linux	e4a668c59080f862af3ecc28b359533027cbe434 < 4e9ab5c48ad5153cc908dd29abad0cd2a92951e4
Linux	Linux	e4a668c59080f862af3ecc28b359533027cbe434 < 301268dbaac8e9013719e162a000202eac8054be
Linux	Linux	e4a668c59080f862af3ecc28b359533027cbe434 < 11ef72b3312752c2ff92f3c1e64912be3228ed36
Linux	Linux	e4a668c59080f862af3ecc28b359533027cbe434 < 15d25307692312cec4b57052da73387f91a2e870
Linux	Linux	2.6.38
debian	debian_linux	11.0
linux	linux_kernel	2.6.38 – 5.4.295
linux	linux_kernel	6.16
linux	linux_kernel	6.16