CVE-2024-56716 (GCVE-0-2024-56716)
Vulnerability from cvelistv5 – Published: 2024-12-29 08:48 – Updated: 2026-05-11 20:57
VLAI
EPSS
VEX
Title
netdevsim: prevent bad user input in nsim_dev_health_break_write()
Summary
In the Linux kernel, the following vulnerability has been resolved:
netdevsim: prevent bad user input in nsim_dev_health_break_write()
If either a zero count or a large one is provided, kernel can crash.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:58 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f , < 81bdfcd6e6a998e219c9dd49ec7291c2e0594bbc
(git)
Affected: 82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f , < b3a6daaf7cfb2de37b89fd7a5a2ad4ea9aa3e181 (git) Affected: 82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f , < d10321be26ff9e9e912697e9e8448099654ff561 (git) Affected: 82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f , < 470c5ecbac2f19b1cdee2a6ce8d5650c3295c94b (git) Affected: 82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f , < 8e9ef6bdf71bf25f4735e0230ce1919de8985835 (git) Affected: 82c93a87bf8bc0cdb5ec2ab99da7d87715ff889f , < ee76746387f6233bdfa93d7406990f923641568f (git) |
guessed | |
| Linux | Linux |
Affected:
5.5
Unaffected: 0 , < 5.5 (semver) Unaffected: 5.10.233 , ≤ 5.10.* (semver) Unaffected: 5.15.176 , ≤ 5.15.* (semver) Unaffected: 6.1.122 , ≤ 6.1.* (semver) Unaffected: 6.6.68 , ≤ 6.6.* (semver) Unaffected: 6.12.7 , ≤ 6.12.* (semver) Unaffected: 6.13 , ≤ * (original_commit_for_fix) |
guessed |
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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-02-02T07:09:39+00:00",
"cve": "CVE-2024-56716",
"id": "CVE-2024-56716",
"initial_release_date": "2024-12-29T00:00:00+00:00",
"product_status:known_affected": "156",
"product_status:known_not_affected": "42",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: netdevsim: prevent bad user input in nsim_dev_health_break_write()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-56716.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-11T16:40:52Z",
"cve": "CVE-2024-56716",
"id": "CVE-2024-56716",
"initial_release_date": "2024-12-30T03:48:34Z",
"product_status:known_affected": "674",
"product_status:known_not_affected": "235",
"product_status:recommended": "358",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2024-56716",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-56716.json",
"version": "65"
},
"vulnrichment": {
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"cveMetadata": "{\"cveId\": \"CVE-2024-56716\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-01T20:07:06.734Z\", \"dateReserved\": \"2024-12-27T15:00:39.858Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-12-29T08:48:49.165Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
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}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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