CVE-2026-46258

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/6af6be278e3ba2ffb6af5b796c89dfb3f5d9063e	Patch
https://git.kernel.org/stable/c/87b9d7a4cfbed5f42af440372026270af997c766	Patch

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

22 Jul 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: gpio: cdev: Evitar desreferencia de NULL en linehandle_create() En linehandle_create(), hay una declaración como esta: retain_and_null_ptr(lh); Poco después, hay una impresión de depuración que desreferencia 'lh', lo que provocará un fallo. Evitar el fallo usando handlereq.lines, que es el mismo valor.

09 Jun 2026, 20:09

Type	Values Removed	Values Added
First Time		Linux linux Kernel Linux
CPE		cpe:2.3:o:linux:linux_kernel::::::::
CWE		CWE-476
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
References	~~() https://git.kernel.org/stable/c/6af6be278e3ba2ffb6af5b796c89dfb3f5d9063e -~~	() https://git.kernel.org/stable/c/6af6be278e3ba2ffb6af5b796c89dfb3f5d9063e - Patch
References	~~() https://git.kernel.org/stable/c/87b9d7a4cfbed5f42af440372026270af997c766 -~~	() https://git.kernel.org/stable/c/87b9d7a4cfbed5f42af440372026270af997c766 - Patch

03 Jun 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-03 18:16

Updated : 2026-07-22 20:10

NVD link : CVE-2026-46258

Mitre link : CVE-2026-46258

CVE.ORG link : CVE-2026-46258

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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