CVE-2026-46258

MEDIUM

gpio: cdev: Avoid NULL dereference in linehandle_create()

Title source: cna

Description

In the Linux kernel, the following vulnerability has been resolved: gpio: cdev: Avoid NULL dereference in linehandle_create() In linehandle_create(), there is a statement like this: retain_and_null_ptr(lh); Soon after, there is a debug printout that dereferences "lh", which will crash things. Avoid the crash by using handlereq.lines, which is the same value.

References (2)

Core 2

Core References

https://git.kernel.org/stable/c/87b9d7a4cfbed5f42af440372026270af997c766

https://git.kernel.org/stable/c/6af6be278e3ba2ffb6af5b796c89dfb3f5d9063e

Scores

CVSS v3 5.5

EPSS 0.0010

EPSS Percentile 1.1%

Attack Vector LOCAL

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

Details

CWE

CWE-476

Status published

Products (7)

Linux/Linux < 6.19

Linux/Linux 6.19

Linux/Linux 6.19.4 - 6.19.*

Linux/Linux 7.0

Linux/Linux da7e394bf58f94e9783379fef7c7fb4411b03208 - 6af6be278e3ba2ffb6af5b796c89dfb3f5d9063e

Linux/Linux da7e394bf58f94e9783379fef7c7fb4411b03208 - 87b9d7a4cfbed5f42af440372026270af997c766

linux/linux_kernel 6.19 - 6.19.4

Published Jun 03, 2026

Tracked Since Jun 03, 2026