CVE-2023-53277 (GCVE-0-2023-53277)
Vulnerability from cvelistv5 – Published: 2025-09-16 08:11 – Updated: 2026-05-11 19:41
VLAI
EPSS
VEX
Title
wifi: iwl3945: Add missing check for create_singlethread_workqueue
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwl3945: Add missing check for create_singlethread_workqueue
Add the check for the return value of the create_singlethread_workqueue
in order to avoid NULL pointer dereference.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 18:07 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
b481de9ca074528fe8c429604e2777db8b89806a , < 3ae2fc4de12686f3fe695824169c1272c9f798f7
(git)
Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 7e594abc0424e4f8c2385f11aefeaadcfc507aa5 (git) Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 2f80b3ff92514ebd227e5c55d3d1e480401b02b7 (git) Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 505c74c4c0b1c5bcaa98a93b3087c268156070f1 (git) Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 34f611204ae589bd5c494b10b41fb13436bd3c3f (git) Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 17e07d6587c55015956862ef3b101fd45fa49fbc (git) Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 1fdeb8b9f29dfd64805bb49475ac7566a3cb06cb (git) |
guessed | |
| Linux | Linux |
Affected:
2.6.24
Unaffected: 0 , < 2.6.24 (semver) Unaffected: 4.19.276 , ≤ 4.19.* (semver) Unaffected: 5.4.235 , ≤ 5.4.* (semver) Unaffected: 5.10.173 , ≤ 5.10.* (semver) Unaffected: 5.15.99 , ≤ 5.15.* (semver) Unaffected: 6.1.16 , ≤ 6.1.* (semver) Unaffected: 6.2.3 , ≤ 6.2.* (semver) Unaffected: 6.3 , ≤ * (original_commit_for_fix) |
guessed |
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-53277",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
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}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-14T18:07:21.521750Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
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}
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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"product": "Linux",
"programFiles": [
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],
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{
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"status": "affected",
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},
{
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"status": "affected",
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},
{
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},
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "2.6.24"
},
{
"lessThan": "2.6.24",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.276",
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},
{
"lessThanOrEqual": "5.4.*",
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},
{
"lessThanOrEqual": "5.10.*",
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"version": "5.10.173",
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},
{
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},
{
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},
{
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"version": "6.2.3",
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},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.3",
"versionType": "original_commit_for_fix"
}
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}
],
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwl3945: Add missing check for create_singlethread_workqueue\n\nAdd the check for the return value of the create_singlethread_workqueue\nin order to avoid NULL pointer dereference."
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],
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},
{
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},
{
"url": "https://git.kernel.org/stable/c/2f80b3ff92514ebd227e5c55d3d1e480401b02b7"
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{
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},
{
"url": "https://git.kernel.org/stable/c/34f611204ae589bd5c494b10b41fb13436bd3c3f"
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{
"url": "https://git.kernel.org/stable/c/17e07d6587c55015956862ef3b101fd45fa49fbc"
},
{
"url": "https://git.kernel.org/stable/c/1fdeb8b9f29dfd64805bb49475ac7566a3cb06cb"
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],
"title": "wifi: iwl3945: Add missing check for create_singlethread_workqueue",
"x_generator": {
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}
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"cveId": "CVE-2023-53277",
"datePublished": "2025-09-16T08:11:12.194Z",
"dateReserved": "2025-09-16T08:09:37.990Z",
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"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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