CVE-2024-46692 (GCVE-0-2024-46692)
Vulnerability from cvelistv5 – Published: 2024-09-13 05:29 – Updated: 2026-05-11 20:34
VLAI
EPSS
VEX
Title
firmware: qcom: scm: Mark get_wq_ctx() as atomic call
Summary
In the Linux kernel, the following vulnerability has been resolved:
firmware: qcom: scm: Mark get_wq_ctx() as atomic call
Currently get_wq_ctx() is wrongly configured as a standard call. When two
SMC calls are in sleep and one SMC wakes up, it calls get_wq_ctx() to
resume the corresponding sleeping thread. But if get_wq_ctx() is
interrupted, goes to sleep and another SMC call is waiting to be allocated
a waitq context, it leads to a deadlock.
To avoid this get_wq_ctx() must be an atomic call and can't be a standard
SMC call. Hence mark get_wq_ctx() as a fast call.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-29 15:06 UTC
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
6bf32599223634294cdc6efb359ffaab1d68073c , < cdf7efe4b02aa93813db0bf1ca596ad298ab6b06
(git)
Affected: 6bf32599223634294cdc6efb359ffaab1d68073c , < e40115c33c0d79c940545b6b12112aace7acd9f5 (git) Affected: 6bf32599223634294cdc6efb359ffaab1d68073c , < 9960085a3a82c58d3323c1c20b991db6045063b0 (git) |
guessed | |
| Linux | Linux |
Affected:
6.3
Unaffected: 0 , < 6.3 (semver) Unaffected: 6.6.49 , ≤ 6.6.* (semver) Unaffected: 6.10.8 , ≤ 6.10.* (semver) Unaffected: 6.11 , ≤ * (original_commit_for_fix) |
guessed |
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"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-29T15:06:36.463188Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-29T15:06:40.741Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/firmware/qcom/qcom_scm-smc.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "cdf7efe4b02aa93813db0bf1ca596ad298ab6b06",
"status": "affected",
"version": "6bf32599223634294cdc6efb359ffaab1d68073c",
"versionType": "git"
},
{
"lessThan": "e40115c33c0d79c940545b6b12112aace7acd9f5",
"status": "affected",
"version": "6bf32599223634294cdc6efb359ffaab1d68073c",
"versionType": "git"
},
{
"lessThan": "9960085a3a82c58d3323c1c20b991db6045063b0",
"status": "affected",
"version": "6bf32599223634294cdc6efb359ffaab1d68073c",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/firmware/qcom/qcom_scm-smc.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.3"
},
{
"lessThan": "6.3",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.49",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.10.*",
"status": "unaffected",
"version": "6.10.8",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.11",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.49",
"versionStartIncluding": "6.3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.10.8",
"versionStartIncluding": "6.3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.11",
"versionStartIncluding": "6.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: qcom: scm: Mark get_wq_ctx() as atomic call\n\nCurrently get_wq_ctx() is wrongly configured as a standard call. When two\nSMC calls are in sleep and one SMC wakes up, it calls get_wq_ctx() to\nresume the corresponding sleeping thread. But if get_wq_ctx() is\ninterrupted, goes to sleep and another SMC call is waiting to be allocated\na waitq context, it leads to a deadlock.\n\nTo avoid this get_wq_ctx() must be an atomic call and can\u0027t be a standard\nSMC call. Hence mark get_wq_ctx() as a fast call."
}
],
"providerMetadata": {
"dateUpdated": "2025-05-04T09:32:01.488Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/cdf7efe4b02aa93813db0bf1ca596ad298ab6b06"
},
{
"url": "https://git.kernel.org/stable/c/e40115c33c0d79c940545b6b12112aace7acd9f5"
},
{
"url": "https://git.kernel.org/stable/c/9960085a3a82c58d3323c1c20b991db6045063b0"
}
],
"title": "firmware: qcom: scm: Mark get_wq_ctx() as atomic call",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-46692",
"datePublished": "2024-09-13T05:29:21.631Z",
"dateReserved": "2024-09-11T15:12:18.249Z",
"dateUpdated": "2025-05-04T09:32:01.488Z",
"state": "PUBLISHED"
},
"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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