CVE-2024-26747 (GCVE-0-2024-26747)
Vulnerability from cvelistv5 – Published: 2024-04-03 17:00 – Updated: 2026-05-23 15:37
VLAI
EPSS
VEX
Title
usb: roles: fix NULL pointer issue when put module's reference
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: roles: fix NULL pointer issue when put module's reference
In current design, usb role class driver will get usb_role_switch parent's
module reference after the user get usb_role_switch device and put the
reference after the user put the usb_role_switch device. However, the
parent device of usb_role_switch may be removed before the user put the
usb_role_switch. If so, then, NULL pointer issue will be met when the user
put the parent module's reference.
This will save the module pointer in structure of usb_role_switch. Then,
we don't need to find module by iterating long relations.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-07 19:59 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
5c54fcac9a9de559b444ac63ec3cd82f1d157a0b , < e279bf8e51893e1fe160b3d8126ef2dd00f661e1
(git)
Affected: 5c54fcac9a9de559b444ac63ec3cd82f1d157a0b , < ef982fc41055fcebb361a92288d3225783d12913 (git) Affected: 5c54fcac9a9de559b444ac63ec3cd82f1d157a0b , < 0158216805ca7e498d07de38840d2732166ae5fa (git) Affected: 5c54fcac9a9de559b444ac63ec3cd82f1d157a0b , < 4b45829440b1b208948b39cc71f77a37a2536734 (git) Affected: 5c54fcac9a9de559b444ac63ec3cd82f1d157a0b , < 01f82de440f2ab07c259b7573371e1c42e5565db (git) Affected: 5c54fcac9a9de559b444ac63ec3cd82f1d157a0b , < 1c9be13846c0b2abc2480602f8ef421360e1ad9e (git) Affected: 7b169e33a3bc9040e06988b2bc15e83d2af80358 (git) Affected: 4.18.12 , < 4.19 (semver) |
guessed | |
| Linux | Linux |
Affected:
4.19
Unaffected: 0 , < 4.19 (semver) Unaffected: 5.10.211 , ≤ 5.10.* (semver) Unaffected: 5.15.150 , ≤ 5.15.* (semver) Unaffected: 6.1.80 , ≤ 6.1.* (semver) Unaffected: 6.6.19 , ≤ 6.6.* (semver) Unaffected: 6.7.7 , ≤ 6.7.* (semver) Unaffected: 6.8 , ≤ * (original_commit_for_fix) |
guessed |
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Then,\\nwe don\u0027t need to find module by iterating long relations.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: roles: soluciona el problema del puntero NULL al colocar la referencia del m\u00f3dulo. En el dise\u00f1o actual, el controlador de clase de rol usb obtendr\u00e1 la referencia del m\u00f3dulo principal usb_role_switch despu\u00e9s de que el usuario obtenga el dispositivo usb_role_switch y coloque la referencia despu\u00e9s del El usuario puso el dispositivo usb_role_switch. Sin embargo, el dispositivo principal de usb_role_switch se puede eliminar antes de que el usuario coloque usb_role_switch. Si es as\u00ed, entonces, el problema del puntero NULL se solucionar\u00e1 cuando el usuario coloque la referencia del m\u00f3dulo principal. Esto guardar\u00e1 el puntero del m\u00f3dulo en la estructura de usb_role_switch. 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largas.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/usb/roles/class.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5c54fcac9a9de559b444ac63ec3cd82f1d157a0b\",\"lessThan\":\"e279bf8e51893e1fe160b3d8126ef2dd00f661e1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5c54fcac9a9de559b444ac63ec3cd82f1d157a0b\",\"lessThan\":\"ef982fc41055fcebb361a92288d3225783d12913\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5c54fcac9a9de559b444ac63ec3cd82f1d157a0b\",\"lessThan\":\"0158216805ca7e498d07de38840d2732166ae5fa\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5c54fcac9a9de559b444ac63ec3cd82f1d157a0b\",\"lessThan\":\"4b45829440b1b208948b39cc71f77a37a2536734\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5c54fcac9a9de559b444ac63ec3cd82f1d157a0b\",\"lessThan\":\"01f82de440f2ab07c259b7573371e1c42e5565db\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5c54fcac9a9de559b444ac63ec3cd82f1d157a0b\",\"lessThan\":\"1c9be13846c0b2abc2480602f8ef421360e1ad9e\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"7b169e33a3bc9040e06988b2bc15e83d2af80358\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"4.18.12\",\"lessThan\":\"4.19\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/usb/roles/class.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.19\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.19\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.211\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.150\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.80\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.19\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.7.7\",\"lessThanOrEqual\":\"6.7.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.8\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":4.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":0.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-05-07T19:59:47.248619Z\",\"id\":\"CVE-2024-26747\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA 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"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2025-11-21T14:46:17+00:00",
"cve": "CVE-2024-26747",
"id": "CVE-2024-26747",
"initial_release_date": "2024-04-03T00:00:00+00:00",
"product_status:known_affected": "48",
"product_status:known_not_affected": "150",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: usb: roles: fix NULL pointer issue when put module\u0027s reference",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-26747.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-09T00:33:35Z",
"cve": "CVE-2024-26747",
"id": "CVE-2024-26747",
"initial_release_date": "2024-04-11T02:31:01Z",
"product_status:known_affected": "526",
"product_status:known_not_affected": "213",
"product_status:recommended": "506",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2024-26747",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-26747.json",
"version": "68"
},
"vulnrichment": {
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\"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T00:14:13.305Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.4, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-26747\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-05-07T19:59:47.248619Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476 NULL Pointer Dereference\"}]}], 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{\"url\": \"https://git.kernel.org/stable/c/ef982fc41055fcebb361a92288d3225783d12913\"}, {\"url\": \"https://git.kernel.org/stable/c/0158216805ca7e498d07de38840d2732166ae5fa\"}, {\"url\": \"https://git.kernel.org/stable/c/4b45829440b1b208948b39cc71f77a37a2536734\"}, {\"url\": \"https://git.kernel.org/stable/c/01f82de440f2ab07c259b7573371e1c42e5565db\"}, {\"url\": \"https://git.kernel.org/stable/c/1c9be13846c0b2abc2480602f8ef421360e1ad9e\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nusb: roles: fix NULL pointer issue when put module\u0027s reference\\n\\nIn current design, usb role class driver will get usb_role_switch parent\u0027s\\nmodule reference after the user get usb_role_switch device and put the\\nreference after the user put the usb_role_switch device. However, the\\nparent device of usb_role_switch may be removed before the user put the\\nusb_role_switch. If so, then, NULL pointer issue will be met when the user\\nput the parent module\u0027s reference.\\n\\nThis will save the module pointer in structure of usb_role_switch. Then,\\nwe don\u0027t need to find module by iterating long relations.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.211\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.150\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.80\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.19\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.7\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.18.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-23T15:37:31.595Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-26747\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-23T15:37:31.595Z\", \"dateReserved\": \"2024-02-19T14:20:24.168Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-03T17:00:34.066Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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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