CVE-2024-46813 (GCVE-0-2024-46813)
Vulnerability from cvelistv5 – Published: 2024-09-27 12:35 – Updated: 2026-08-05 11:38
VLAI
EPSS
VEX
Title
drm/amd/display: Check link_index before accessing dc->links[]
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check link_index before accessing dc->links[]
[WHY & HOW]
dc->links[] has max size of MAX_LINKS and NULL is return when trying to
access with out-of-bound index.
This fixes 3 OVERRUN and 1 RESOURCE_LEAK issues reported by Coverity.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-29 14:18 UTC
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 032c5407a608ac3b2a98bf4fbda27d12c20c5887
(git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < ac04759b4a002969cf0f1384f1b8bb2001cfa782 (git) Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 8aa2864044b9d13e95fe224f32e808afbf79ecdf (git) |
guessed | |
| Linux | Linux |
Affected:
4.15
Unaffected: 0 , < 4.15 (semver) Unaffected: 6.6.87 , ≤ 6.6.* (semver) Unaffected: 6.10.9 , ≤ 6.10.* (semver) Unaffected: 6.11 , ≤ * (original_commit_for_fix) |
guessed |
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},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-46813\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-29T14:18:36.575115Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-29T14:18:37.621Z\"}}], \"cna\": {\"title\": \"drm/amd/display: Check link_index before accessing dc-\u003elinks[]\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c\", \"lessThan\": \"032c5407a608ac3b2a98bf4fbda27d12c20c5887\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c\", \"lessThan\": \"ac04759b4a002969cf0f1384f1b8bb2001cfa782\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c\", \"lessThan\": \"8aa2864044b9d13e95fe224f32e808afbf79ecdf\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.15\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.15\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.87\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.9\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/032c5407a608ac3b2a98bf4fbda27d12c20c5887\"}, {\"url\": \"https://git.kernel.org/stable/c/ac04759b4a002969cf0f1384f1b8bb2001cfa782\"}, {\"url\": \"https://git.kernel.org/stable/c/8aa2864044b9d13e95fe224f32e808afbf79ecdf\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Check link_index before accessing dc-\u003elinks[]\\n\\n[WHY \u0026 HOW]\\ndc-\u003elinks[] has max size of MAX_LINKS and NULL is return when trying to\\naccess with out-of-bound index.\\n\\nThis fixes 3 OVERRUN and 1 RESOURCE_LEAK issues reported by Coverity.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.87\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.9\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11\", \"versionStartIncluding\": \"4.15\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-07-11T17:20:38.616Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-46813\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-07-11T17:20:38.616Z\", \"dateReserved\": \"2024-09-11T15:12:18.283Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-09-27T12:35:55.786Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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