cve-2024-26748
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2024-11-05 09:15
Severity ?
Summary
usb: cdns3: fix memory double free when handle zero packet
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1e204a8e9eb514e22a6567fb340ebb47df3f3a48
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3a2a909942b5335b7ea66366d84261b3ed5f89c8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5fd9e45f1ebcd57181358af28506e8a661a260b3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/70e8038813f9d3e72df966748ebbc40efe466019
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/92d20406a3d4ff3e8be667c79209dc9ed31df5b3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9a52b694b066f299d8b9800854a8503457a8b64c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aad6132ae6e4809e375431f8defd1521985e44e7
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: fix memory double free when handle zero packet\n\n829  if (request-\u003ecomplete) {\n830          spin_unlock(\u0026priv_dev-\u003elock);\n831          usb_gadget_giveback_request(\u0026priv_ep-\u003eendpoint,\n832                                    request);\n833          spin_lock(\u0026priv_dev-\u003elock);\n834  }\n835\n836  if (request-\u003ebuf == priv_dev-\u003ezlp_buf)\n837      cdns3_gadget_ep_free_request(\u0026priv_ep-\u003eendpoint, request);\n\nDriver append an additional zero packet request when queue a packet, which\nlength mod max packet size is 0. When transfer complete, run to line 831,\nusb_gadget_giveback_request() will free this requestion. 836 condition is\ntrue, so cdns3_gadget_ep_free_request() free this request again.\n\nLog:\n\n[ 1920.140696][  T150] BUG: KFENCE: use-after-free read in cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\n[ 1920.140696][  T150]\n[ 1920.151837][  T150] Use-after-free read at 0x000000003d1cd10b (in kfence-#36):\n[ 1920.159082][  T150]  cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\n[ 1920.164988][  T150]  cdns3_transfer_completed+0x438/0x5f8 [cdns3]\n\nAdd check at line 829, skip call usb_gadget_giveback_request() if it is\nadditional zero length packet request. Needn\u0027t call\nusb_gadget_giveback_request() because it is allocated in this driver."
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26748",
    "datePublished": "2024-04-03T17:00:35.087Z",
    "dateReserved": "2024-02-19T14:20:24.168Z",
    "dateUpdated": "2024-11-05T09:15:01.394Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26748\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-03T17:15:51.727\",\"lastModified\":\"2024-11-05T10:15:46.617\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nusb: cdns3: fix memory double free when handle zero packet\\n\\n829  if (request-\u003ecomplete) {\\n830          spin_unlock(\u0026priv_dev-\u003elock);\\n831          usb_gadget_giveback_request(\u0026priv_ep-\u003eendpoint,\\n832                                    request);\\n833          spin_lock(\u0026priv_dev-\u003elock);\\n834  }\\n835\\n836  if (request-\u003ebuf == priv_dev-\u003ezlp_buf)\\n837      cdns3_gadget_ep_free_request(\u0026priv_ep-\u003eendpoint, request);\\n\\nDriver append an additional zero packet request when queue a packet, which\\nlength mod max packet size is 0. When transfer complete, run to line 831,\\nusb_gadget_giveback_request() will free this requestion. 836 condition is\\ntrue, so cdns3_gadget_ep_free_request() free this request again.\\n\\nLog:\\n\\n[ 1920.140696][  T150] BUG: KFENCE: use-after-free read in cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\\n[ 1920.140696][  T150]\\n[ 1920.151837][  T150] Use-after-free read at 0x000000003d1cd10b (in kfence-#36):\\n[ 1920.159082][  T150]  cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\\n[ 1920.164988][  T150]  cdns3_transfer_completed+0x438/0x5f8 [cdns3]\\n\\nAdd check at line 829, skip call usb_gadget_giveback_request() if it is\\nadditional zero length packet request. Needn\u0027t call\\nusb_gadget_giveback_request() because it is allocated in this driver.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: cdns3: corrige la memoria doblemente libre cuando se maneja el paquete cero 829 if (request-\u0026gt;complete) { 830 spin_unlock(\u0026amp;priv_dev-\u0026gt;lock); 831 usb_gadget_giveback_request(\u0026amp;priv_ep-\u0026gt;endpoint, solicitud 832); 833 spin_lock(\u0026amp;priv_dev-\u0026gt;lock); 834 } 835 836 if (solicitud-\u0026gt;buf == priv_dev-\u0026gt;zlp_buf) 837 cdns3_gadget_ep_free_request(\u0026amp;priv_ep-\u0026gt;endpoint, solicitud); El controlador agrega una solicitud de paquete cero adicional cuando pone en cola un paquete, cuya longitud mod tama\u00f1o m\u00e1ximo del paquete es 0. Cuando se complete la transferencia, ejecute la l\u00ednea 831, usb_gadget_giveback_request() liberar\u00e1 esta solicitud. La condici\u00f3n 836 es verdadera, por lo que cdns3_gadget_ep_free_request() libera esta solicitud nuevamente. Registro: [1920.140696][ T150] ERROR: KFENCE: lectura de uso despu\u00e9s de liberaci\u00f3n en cdns3_gadget_giveback+0x134/0x2c0 [cdns3] [ 1920.140696][ T150] [ 1920.151837][ T150] Lectura de uso despu\u00e9s de liberaci\u00f3n en 0x000000003d 1cd10b (en kcerca -#36): [ 1920.159082][ T150] cdns3_gadget_giveback+0x134/0x2c0 [cdns3] [ 1920.164988][ T150] cdns3_transfer_completed+0x438/0x5f8 [cdns3] Agregar cheque en la l\u00ednea 829, omitir llamada usb_gadget_giveback_ request() si tiene una longitud cero adicional solicitud de paquete. No es necesario llamar a usb_gadget_giveback_request() porque est\u00e1 asignado en este controlador.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1e204a8e9eb514e22a6567fb340ebb47df3f3a48\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3a2a909942b5335b7ea66366d84261b3ed5f89c8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5fd9e45f1ebcd57181358af28506e8a661a260b3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/70e8038813f9d3e72df966748ebbc40efe466019\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/92d20406a3d4ff3e8be667c79209dc9ed31df5b3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9a52b694b066f299d8b9800854a8503457a8b64c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aad6132ae6e4809e375431f8defd1521985e44e7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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