CVE-2022-40540 (GCVE-0-2022-40540)
Vulnerability from cvelistv5 – Published: 2023-03-07 04:43 – Updated: 2024-08-03 12:21
VLAI
EPSS
VEX
Title
Buffer copy without checking the size of input in Linux Kernel
Summary
Memory corruption due to buffer copy without checking the size of input while loading firmware in Linux Kernel.
Severity
8.4 (High)
CWE
- CWE-120 - Buffer Copy Without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
Affected:
SD 8 Gen1 5G
Affected: SD888 5G Affected: SW5100 Affected: SW5100P Affected: WCD9380 Affected: WCD9385 Affected: WCN3980 Affected: WCN3988 Affected: WCN6850 Affected: WCN6851 Affected: WCN6855 Affected: WCN6856 Affected: WCN7850 Affected: WCN7851 Affected: WSA8830 Affected: WSA8835 |
guessed |
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"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2025-11-21T15:45:20+00:00",
"cve": "CVE-2022-40540",
"id": "CVE-2022-40540",
"initial_release_date": "2022-01-01T00:00:00+00:00",
"product_status:known_not_affected": "198",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kenrel: Memory corruption due to buffer copy in qcom_mdt_read_metadata",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-40540.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-31T01:40:51Z",
"cve": "CVE-2022-40540",
"id": "CVE-2022-40540",
"initial_release_date": "2023-03-23T04:11:24Z",
"product_status:known_not_affected": "139",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2022-40540",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-40540.json",
"version": "27"
}
}
}
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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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