CVE-2023-52571 power: supply: rk817: Fix node refcount leak

What is CVE-2023-52571?

CVE-2023-52571 is a high-severity memory corruption vulnerability in Linux kernel, published on 2 Mar 2024. 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:

power: supply: rk817: Fix node refcount leak

Dan Carpenter reports that the Smatch static checker warning has found that there is another refcount leak in the probe function. While of_node_put() was added in one of the return paths, it should in fact be added for ALL return paths that return an error and at driver removal time.

Weakness: CWE-401

Which versions are affected by CVE-2023-52571?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-52571?

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-2023-52571 being exploited?

There is no known exploitation of CVE-2023-52571 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-2023-52571, DEBIAN-CVE-2023-52571, GHSA-4hjm-m2c9-868g, UBUNTU-CVE-2023-52571.