CVE-2024-26749 (GCVE-0-2024-26749)
Vulnerability from cvelistv5 – Published: 2024-04-03 17:00 – Updated: 2026-05-11 20:03
VLAI
EPSS
VEX
Title
usb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()
...
cdns3_gadget_ep_free_request(&priv_ep->endpoint, &priv_req->request);
list_del_init(&priv_req->list);
...
'priv_req' actually free at cdns3_gadget_ep_free_request(). But
list_del_init() use priv_req->list after it.
[ 1542.642868][ T534] BUG: KFENCE: use-after-free read in __list_del_entry_valid+0x10/0xd4
[ 1542.642868][ T534]
[ 1542.653162][ T534] Use-after-free read at 0x000000009ed0ba99 (in kfence-#3):
[ 1542.660311][ T534] __list_del_entry_valid+0x10/0xd4
[ 1542.665375][ T534] cdns3_gadget_ep_disable+0x1f8/0x388 [cdns3]
[ 1542.671571][ T534] usb_ep_disable+0x44/0xe4
[ 1542.675948][ T534] ffs_func_eps_disable+0x64/0xc8
[ 1542.680839][ T534] ffs_func_set_alt+0x74/0x368
[ 1542.685478][ T534] ffs_func_disable+0x18/0x28
Move list_del_init() before cdns3_gadget_ep_free_request() to resolve this
problem.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 15:51 UTC
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
7733f6c32e36ff9d7adadf40001039bf219b1cbe , < cfa9abb5570c489dabf6f7fb3a066cc576fc8824
(git)
Affected: 7733f6c32e36ff9d7adadf40001039bf219b1cbe , < b40328eea93c75a5645891408010141a0159f643 (git) Affected: 7733f6c32e36ff9d7adadf40001039bf219b1cbe , < 4e5c73b15d95452c1ba9c771dd013a3fbe052ff3 (git) Affected: 7733f6c32e36ff9d7adadf40001039bf219b1cbe , < 2134e9906e17b1e5284300fab547869ebacfd7d9 (git) Affected: 7733f6c32e36ff9d7adadf40001039bf219b1cbe , < 29e42e1578a10c611b3f1a38f3229b2d664b5d16 (git) Affected: 7733f6c32e36ff9d7adadf40001039bf219b1cbe , < 9a07244f614bc417de527b799da779dcae780b5d (git) Affected: 7733f6c32e36ff9d7adadf40001039bf219b1cbe , < cd45f99034b0c8c9cb346dd0d6407a95ca3d36f6 (git) |
guessed | |
| Linux | Linux |
Affected:
5.4
Unaffected: 0 , < 5.4 (semver) Unaffected: 5.4.270 , ≤ 5.4.* (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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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()\n\n ...\n cdns3_gadget_ep_free_request(\u0026priv_ep-\u003eendpoint, \u0026priv_req-\u003erequest);\n list_del_init(\u0026priv_req-\u003elist);\n ...\n\n\u0027priv_req\u0027 actually free at cdns3_gadget_ep_free_request(). But\nlist_del_init() use priv_req-\u003elist after it.\n\n[ 1542.642868][ T534] BUG: KFENCE: use-after-free read in __list_del_entry_valid+0x10/0xd4\n[ 1542.642868][ T534]\n[ 1542.653162][ T534] Use-after-free read at 0x000000009ed0ba99 (in kfence-#3):\n[ 1542.660311][ T534] __list_del_entry_valid+0x10/0xd4\n[ 1542.665375][ T534] cdns3_gadget_ep_disable+0x1f8/0x388 [cdns3]\n[ 1542.671571][ T534] usb_ep_disable+0x44/0xe4\n[ 1542.675948][ T534] ffs_func_eps_disable+0x64/0xc8\n[ 1542.680839][ T534] ffs_func_set_alt+0x74/0x368\n[ 1542.685478][ T534] ffs_func_disable+0x18/0x28\n\nMove list_del_init() before cdns3_gadget_ep_free_request() to resolve this\nproblem."
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"dateUpdated": "2026-05-11T20:03:25.642Z",
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"date": "2026-10-08",
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()\n\n ...\n cdns3_gadget_ep_free_request(\u0026priv_ep-\u003eendpoint, \u0026priv_req-\u003erequest);\n list_del_init(\u0026priv_req-\u003elist);\n ...\n\n\u0027priv_req\u0027 actually free at cdns3_gadget_ep_free_request(). But\nlist_del_init() use priv_req-\u003elist after it.\n\n[ 1542.642868][ T534] BUG: KFENCE: use-after-free read in __list_del_entry_valid+0x10/0xd4\n[ 1542.642868][ T534]\n[ 1542.653162][ T534] Use-after-free read at 0x000000009ed0ba99 (in kfence-#3):\n[ 1542.660311][ T534] __list_del_entry_valid+0x10/0xd4\n[ 1542.665375][ T534] cdns3_gadget_ep_disable+0x1f8/0x388 [cdns3]\n[ 1542.671571][ T534] usb_ep_disable+0x44/0xe4\n[ 1542.675948][ T534] ffs_func_eps_disable+0x64/0xc8\n[ 1542.680839][ T534] ffs_func_set_alt+0x74/0x368\n[ 1542.685478][ T534] ffs_func_disable+0x18/0x28\n\nMove list_del_init() before cdns3_gadget_ep_free_request() to resolve this\nproblem."
},
{
"lang": "es",
"value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: usb: cdns3: uso de memoria fijo despu\u00e9s de liberar en cdns3_gadget_ep_disable() ... cdns3_gadget_ep_free_request(\u0026amp;priv_ep-\u0026gt;endpoint, \u0026amp;priv_req-\u0026gt;request); list_del_init(\u0026amp;priv_req-\u0026gt;lista); ... \u0027priv_req\u0027 en realidad es gratuito en cdns3_gadget_ep_free_request(). Pero list_del_init() usa priv_req-\u0026gt;list despu\u00e9s. [ 1542.642868][ T534] ERROR: KFENCE: lectura de uso despu\u00e9s de liberaci\u00f3n en __list_del_entry_valid+0x10/0xd4 [ 1542.642868][ T534] [ 1542.653162][ T534] Lectura de uso despu\u00e9s de liberaci\u00f3n en 0x000000009ed0ba99 (en kfence-#3 ): [ 1542.660311][ T534] __list_del_entry_valid+0x10/0xd4 [ 1542.665375][ T534] cdns3_gadget_ep_disable+0x1f8/0x388 [cdns3] [ 1542.671571][ T534] usb_ep_disable+0x44/0x e4 [ 1542.675948][ T534] ffs_func_eps_disable+0x64/0xc8 [ 1542.680839] [ T534] ffs_func_set_alt+0x74/0x368 [ 1542.685478][ T534] ffs_func_disable+0x18/0x28 Mueva list_del_init() antes de cdns3_gadget_ep_free_request() para resolver este problema."
}
],
"id": "CVE-2024-26749",
"lastModified": "2024-11-21T09:02:59.073",
"published": "2024-04-03T17:15:51.780",
"references": [
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],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Undergoing Analysis"
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()\n\n ...\n cdns3_gadget_ep_free_request(\u0026priv_ep-\u003eendpoint, \u0026priv_req-\u003erequest);\n list_del_init(\u0026priv_req-\u003elist);\n ...\n\n\u0027priv_req\u0027 actually free at cdns3_gadget_ep_free_request(). But\nlist_del_init() use priv_req-\u003elist after it.\n\n[ 1542.642868][ T534] BUG: KFENCE: use-after-free read in __list_del_entry_valid+0x10/0xd4\n[ 1542.642868][ T534]\n[ 1542.653162][ T534] Use-after-free read at 0x000000009ed0ba99 (in kfence-#3):\n[ 1542.660311][ T534] __list_del_entry_valid+0x10/0xd4\n[ 1542.665375][ T534] cdns3_gadget_ep_disable+0x1f8/0x388 [cdns3]\n[ 1542.671571][ T534] usb_ep_disable+0x44/0xe4\n[ 1542.675948][ T534] ffs_func_eps_disable+0x64/0xc8\n[ 1542.680839][ T534] ffs_func_set_alt+0x74/0x368\n[ 1542.685478][ T534] ffs_func_disable+0x18/0x28\n\nMove list_del_init() before cdns3_gadget_ep_free_request() to resolve this\nproblem."
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T20:03:25.642Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/cfa9abb5570c489dabf6f7fb3a066cc576fc8824"
},
{
"url": "https://git.kernel.org/stable/c/b40328eea93c75a5645891408010141a0159f643"
},
{
"url": "https://git.kernel.org/stable/c/4e5c73b15d95452c1ba9c771dd013a3fbe052ff3"
},
{
"url": "https://git.kernel.org/stable/c/2134e9906e17b1e5284300fab547869ebacfd7d9"
},
{
"url": "https://git.kernel.org/stable/c/29e42e1578a10c611b3f1a38f3229b2d664b5d16"
},
{
"url": "https://git.kernel.org/stable/c/9a07244f614bc417de527b799da779dcae780b5d"
},
{
"url": "https://git.kernel.org/stable/c/cd45f99034b0c8c9cb346dd0d6407a95ca3d36f6"
}
],
"title": "usb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-26749",
"datePublished": "2024-04-03T17:00:35.762Z",
"dateReserved": "2024-02-19T14:20:24.169Z",
"dateUpdated": "2026-05-11T20:03:25.642Z",
"state": "PUBLISHED"
},
"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.
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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