# netdevsim: prevent bad user input in nsim_dev_health_break_write()

CVE record · `CVE-2024-56716`

- **Identifiers:** `CVE-2024-56716`
- **State:** Confirmed
- **Severity:** CVSS 5.5 Medium
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-1284](https://cwe.mitre.org/data/definitions/1284.html)
- **Tags:** [CWE-1284](https://agentprime.io/advisories/tag/cwe-1284.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 29 Dec 2024
- **Updated:** 11 May 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 29 Dec 2024, 08:48 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f to before 81bdfcd6e6a998e219c9dd49ec7291c2e0594bbc` (git)
  - affected: `82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f to before b3a6daaf7cfb2de37b89fd7a5a2ad4ea9aa3e181` (git)
  - affected: `82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f to before d10321be26ff9e9e912697e9e8448099654ff561` (git)
  - affected: `82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f to before 470c5ecbac2f19b1cdee2a6ce8d5650c3295c94b` (git)
  - affected: `82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f to before 8e9ef6bdf71bf25f4735e0230ce1919de8985835` (git)
  - affected: `82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f to before ee76746387f6233bdfa93d7406990f923641568f` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.5`
  - unaffected: `before 5.5` (semver)
  - unaffected: `5.10.233 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.176 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.122 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.68 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.7 to 6.12.*, inclusive` (semver)
  - unaffected: `6.13 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 5.5 Medium, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`, from ADP (CISA-ADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0021, the 11th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 29 Dec 2024. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2024-56716](https://www.cve.org/CVERecord?id=CVE-2024-56716)
- [NVD: CVE-2024-56716](https://nvd.nist.gov/vuln/detail/CVE-2024-56716)

### References from the CNA

- <https://git.kernel.org/stable/c/81bdfcd6e6a998e219c9dd49ec7291c2e0594bbc>
- <https://git.kernel.org/stable/c/b3a6daaf7cfb2de37b89fd7a5a2ad4ea9aa3e181>
- <https://git.kernel.org/stable/c/d10321be26ff9e9e912697e9e8448099654ff561>
- <https://git.kernel.org/stable/c/470c5ecbac2f19b1cdee2a6ce8d5650c3295c94b>
- <https://git.kernel.org/stable/c/8e9ef6bdf71bf25f4735e0230ce1919de8985835>
- <https://git.kernel.org/stable/c/ee76746387f6233bdfa93d7406990f923641568f>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2024-56716>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2024-56716/>. Everything for agents: <https://agentprime.io/llms.txt>.