CVE-2026-23314 regulator: bq257xx: Fix device node reference leak in bq257xx_reg_dt_parse_gpio()

Medium 5.5 Published Updated

A reference leak in the bq257xx regulator driver can lead to memory exhaustion and denial of service in the Linux kernel.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2026-23314?

CVE-2026-23314 is a medium-severity memory corruption vulnerability in Linux kernel, published on 25 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Which versions are affected by CVE-2026-23314?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-23314?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-23314 being exploited?

There is no known exploitation of CVE-2026-23314 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2026-23314, DEBIAN-CVE-2026-23314, GHSA-mv9g-rfx4-jpcr, UBUNTU-CVE-2026-23314.

Is CVE-2026-23314 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free