Summaryinfo

A vulnerability has been found in Linux Kernel up to 6.18.16/6.19.6/7.0-rc1 and classified as critical. This affects the function bq257xx_reg_dt_parse_gpio. The manipulation leads to memory leak. This vulnerability is traded as CVE-2026-23314. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.18.16/6.19.6/7.0-rc1. It has been rated as critical. This issue affects the function bq257xx_reg_dt_parse_gpio. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: regulator: bq257xx: Fix device node reference leak in bq257xx_reg_dt_parse_gpio() In bq257xx_reg_dt_parse_gpio(), if fails to get subchild, it returns without calling of_node_put(child), causing the device node reference leak.

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2026-23314 since 01/13/2026. Technical details are known, but no exploit is available.

Upgrading to version 6.18.17, 6.19.7 or 7.0-rc2 eliminates this vulnerability. Applying the patch 93b64bef8cd4074806d981ed1b4c38c3ae0542e3/aba54a5a113667df9d339f4192650f6bc27e9d1f/4baaddaa44af01cd4ce239493060738fd0881835 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.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0861). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• Open Source Linux Kernel

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.18.0
• 6.18.1
• 6.18.2
• 6.18.3
• 6.18.4
• 6.18.5
• 6.18.6
• 6.18.7
• 6.18.8
• 6.18.9
• 6.18.10
• 6.18.11
• 6.18.12
• 6.18.13
• 6.18.14
• 6.18.15
• 6.18.16
• 6.19.0
• 6.19.1
• 6.19.2
• 6.19.3
• 6.19.4
• 6.19.5
• 6.19.6
• 7.0-rc1

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion