# CVE-2023-53264: clk: imx: clk-imxrt1050: fix memory leak in imxrt1050_clocks_probe

> A memory leak in the Linux kernel's i.MX RT1050 clock driver can lead to resource exhaustion and denial of service.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`)
- **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:** Yes
- **Published:** 16 Sep 2025
- **Updated:** 11 May 2026
- **Also known as:** BELL-CVE-2023-53264, DEBIAN-CVE-2023-53264, GHSA-wr8g-5rgr-h9p9, UBUNTU-CVE-2023-53264

## What is CVE-2023-53264?

CVE-2023-53264 is a medium-severity memory corruption vulnerability in Linux kernel, published on 16 Sep 2025. 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:

clk: imx: clk-imxrt1050: fix memory leak in imxrt1050_clocks_probe

Use devm_of_iomap() instead of of_iomap() to automatically
handle the unused ioremap region. If any error occurs, regions allocated by
kzalloc() will leak, but using devm_kzalloc() instead will automatically
free the memory using devm_kfree().

Also, fix error handling of hws by adding unregister_hws label, which
unregisters remaining hws when iomap failed.

Weakness: CWE-401 (Missing Release of Memory after Effective Lifetime)

## Which versions are affected by CVE-2023-53264?

It affects 1 product.


Products: Linux kernel.

## How do I fix CVE-2023-53264?

Apply the vendor's patch.

## Is CVE-2023-53264 being exploited?

There is no known exploitation of CVE-2023-53264 in the wild and no public exploit code.

## Other vulnerabilities in Linux kernel

- [CVE-2026-53266](https://insights.sbomify.com/CVE-2026-53266/): Linux Kernel Out-of-Bounds Write (high 8.8, exploited in the wild)
- [CVE-2013-6282](https://insights.sbomify.com/CVE-2013-6282/): Linux Kernel Improper Input Validation (high 8.8, exploited in the wild)
- [CVE-2022-0185](https://insights.sbomify.com/CVE-2022-0185/): Linux Kernel Heap-Based Buffer Overflow (high 8.4, exploited in the wild)
- [CVE-2013-2094](https://insights.sbomify.com/CVE-2013-2094/): Linux Kernel Privilege Escalation (high 8.4, exploited in the wild)
- [CVE-2026-53362](https://insights.sbomify.com/CVE-2026-53362/): Linux Kernel Unspecified (high 7.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-53264 and fix it if it is affected.

What it is: CVE-2023-53264 is a medium-severity memory corruption vulnerability in Linux kernel, published on 16 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-53264 in the wild and no public exploit code.

Affected product: Linux kernel. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-53264/ (Markdown: https://insights.sbomify.com/CVE-2023-53264/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-53264
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-53264
- OSV: https://osv.dev/vulnerability/CVE-2023-53264

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-53264/
Summaries are generated and may contain mistakes; the official description above is the record.