Linux Kernel up to 6.19.3 gpio linehandle_create denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k3.10-

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.19.3 and classified as critical. The affected element is the function linehandle_create of the component gpio. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2026-46258. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.19.3 and classified as critical. This vulnerability affects the function linehandle_create of the component gpio. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

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.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2026-46258 since 05/13/2026. There are known technical details, but no exploit is available.

Upgrading to version 6.19.4 eliminates this vulnerability. Applying the patch 87b9d7a4cfbed5f42af440372026270af997c766/6af6be278e3ba2ffb6af5b796c89dfb3f5d9063e is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.19.4
Patch: 87b9d7a4cfbed5f42af440372026270af997c766/6af6be278e3ba2ffb6af5b796c89dfb3f5d9063e

Timelineinfo

05/13/2026 CVE reserved
06/03/2026 +21 days Advisory disclosed
06/03/2026 +0 days VulDB entry created
06/03/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-46258 (🔒)
GCVE (CVE): GCVE-0-2026-46258
GCVE (VulDB): GCVE-100-368176

Entryinfo

Created: 06/03/2026 21:09
Changes: 06/03/2026 21:09 (59)
Complete: 🔍
Cache ID: 216::103

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