CVE-2024-26934 (GCVE-0-2024-26934)

Vulnerability from cvelistv5 – Published: 2024-05-01 05:17 – Updated: 2026-05-12 11:50
VLAI?
Title
USB: core: Fix deadlock in usb_deauthorize_interface()
Summary
In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix deadlock in usb_deauthorize_interface() Among the attribute file callback routines in drivers/usb/core/sysfs.c, the interface_authorized_store() function is the only one which acquires a device lock on an ancestor device: It calls usb_deauthorize_interface(), which locks the interface's parent USB device. The will lead to deadlock if another process already owns that lock and tries to remove the interface, whether through a configuration change or because the device has been disconnected. As part of the removal procedure, device_del() waits for all ongoing sysfs attribute callbacks to complete. But usb_deauthorize_interface() can't complete until the device lock has been released, and the lock won't be released until the removal has finished. The mechanism provided by sysfs to prevent this kind of deadlock is to use the sysfs_break_active_protection() function, which tells sysfs not to wait for the attribute callback. Reported-and-tested by: Yue Sun <samsun1006219@gmail.com> Reported by: xingwei lee <xrivendell7@gmail.com>
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 310d2b4124c073a2057ef9d952d4d938e9b1dfd9 , < 8cbdd324b41528994027128207fae8100dff094f (git)
Affected: 310d2b4124c073a2057ef9d952d4d938e9b1dfd9 , < 12d6a5681a0a5cecc2af7860f0a1613fa7c6e947 (git)
Affected: 310d2b4124c073a2057ef9d952d4d938e9b1dfd9 , < e451709573f8be904a8a72d0775bf114d7c291d9 (git)
Affected: 310d2b4124c073a2057ef9d952d4d938e9b1dfd9 , < 1b175bc579f46520b11ecda443bcd2ee4904f66a (git)
Affected: 310d2b4124c073a2057ef9d952d4d938e9b1dfd9 , < ab062fa3dc69aea88fe62162c5881ba14b50ecc5 (git)
Affected: 310d2b4124c073a2057ef9d952d4d938e9b1dfd9 , < 122a06f1068bf5e39089863f4f60b1f5d4273384 (git)
Affected: 310d2b4124c073a2057ef9d952d4d938e9b1dfd9 , < dbdf66250d2d33e8b27352fcb901de79f3521057 (git)
Affected: 310d2b4124c073a2057ef9d952d4d938e9b1dfd9 , < 07acf979da33c721357ff27129edf74c23c036c6 (git)
Affected: 310d2b4124c073a2057ef9d952d4d938e9b1dfd9 , < 80ba43e9f799cbdd83842fc27db667289b3150f5 (git)
Create a notification for this product.
Linux Linux Affected: 4.4
Unaffected: 0 , < 4.4 (semver)
Unaffected: 4.19.312 , ≤ 4.19.* (semver)
Unaffected: 5.4.274 , ≤ 5.4.* (semver)
Unaffected: 5.10.215 , ≤ 5.10.* (semver)
Unaffected: 5.15.154 , ≤ 5.15.* (semver)
Unaffected: 6.1.84 , ≤ 6.1.* (semver)
Unaffected: 6.6.24 , ≤ 6.6.* (semver)
Unaffected: 6.7.12 , ≤ 6.7.* (semver)
Unaffected: 6.8.3 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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      "id": "CVE-2024-26934",
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      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Modified",
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As part of the\\nremoval procedure, device_del() waits for all ongoing sysfs attribute\\ncallbacks to complete.  But usb_deauthorize_interface() can\u0027t complete\\nuntil the device lock has been released, and the lock won\u0027t be\\nreleased until the removal has finished.\\n\\nThe mechanism provided by sysfs to prevent this kind of deadlock is\\nto use the sysfs_break_active_protection() function, which tells sysfs\\nnot to wait for the attribute callback.\\n\\nReported-and-tested by: Yue Sun \u003csamsun1006219@gmail.com\u003e\\nReported by: xingwei lee \u003cxrivendell7@gmail.com\u003e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: USB: core: corrige el punto muerto en usb_deauthorize_interface() Entre las rutinas de devoluci\u00f3n de llamada de archivos de atributos en drivers/usb/core/sysfs.c, la funci\u00f3n interface_authorized_store() es la \u00fanica que adquiere un bloqueo de dispositivo en un dispositivo antecesor: llama a usb_deauthorize_interface(), que bloquea el dispositivo USB principal de la interfaz. Esto conducir\u00e1 a un punto muerto si otro proceso ya posee ese bloqueo e intenta eliminar la interfaz, ya sea mediante un cambio de configuraci\u00f3n o porque el dispositivo se ha desconectado. Como parte del procedimiento de eliminaci\u00f3n, device_del() espera a que se completen todas las devoluciones de llamadas de atributos sysfs en curso. Pero usb_deauthorize_interface() no se puede completar hasta que se haya liberado el bloqueo del dispositivo, y el bloqueo no se liberar\u00e1 hasta que haya finalizado la eliminaci\u00f3n. El mecanismo proporcionado por sysfs para evitar este tipo de punto muerto es utilizar la funci\u00f3n sysfs_break_active_protection(), que le dice a sysfs que no espere la devoluci\u00f3n de llamada del atributo. Reportado y probado por: Yue Sun  Reportado por: xingwei lee 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configuration\\nchange or because the device has been disconnected.  As part of the\\nremoval procedure, device_del() waits for all ongoing sysfs attribute\\ncallbacks to complete.  But usb_deauthorize_interface() can\u0027t complete\\nuntil the device lock has been released, and the lock won\u0027t be\\nreleased until the removal has finished.\\n\\nThe mechanism provided by sysfs to prevent this kind of deadlock is\\nto use the sysfs_break_active_protection() function, which tells sysfs\\nnot to wait for the attribute callback.\\n\\nReported-and-tested by: Yue Sun \u003csamsun1006219@gmail.com\u003e\\nReported by: xingwei lee \u003cxrivendell7@gmail.com\u003e\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.312\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.274\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.215\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.154\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.84\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.24\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.12\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.3\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"4.4\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:00:06.704Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26934\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:00:06.704Z\", \"dateReserved\": \"2024-02-19T14:20:24.196Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-01T05:17:27.352Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Tags
Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.