CVE-2026-64022 gpio: aggregator: remove the software node when deactivating the aggregator

What is CVE-2026-64022?

CVE-2026-64022 is a medium-severity memory corruption vulnerability in Linux kernel, published on 19 Jul 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:

gpio: aggregator: remove the software node when deactivating the aggregator

The dynamic software node we create for the aggregator platform device when using configfs is leaked when the device is deactivated. Destroy it as the last step in the tear-down path.

Weakness: CWE-401

Which versions are affected by CVE-2026-64022?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-64022?

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-2026-64022 being exploited?

There is no known exploitation of CVE-2026-64022 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2026-64022, DEBIAN-CVE-2026-64022, GHSA-w474-qgcr-rxww, UBUNTU-CVE-2026-64022.