nvd-json-data-feeds/CVE-2022/CVE-2022-488xx/CVE-2022-48878.json

{
  "id": "CVE-2022-48878",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-08-21T07:15:04.627",
  "lastModified": "2024-08-29T02:39:54.480",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_qca: Fix driver shutdown on closed serdev\n\nThe driver shutdown callback (which sends EDL_SOC_RESET to the device\nover serdev) should not be invoked when HCI device is not open (e.g. if\nhci_dev_open_sync() failed), because the serdev and its TTY are not open\neither.  Also skip this step if device is powered off\n(qca_power_shutdown()).\n\nThe shutdown callback causes use-after-free during system reboot with\nQualcomm Atheros Bluetooth:\n\n  Unable to handle kernel paging request at virtual address\n  0072662f67726fd7\n  ...\n  CPU: 6 PID: 1 Comm: systemd-shutdow Tainted: G        W\n  6.1.0-rt5-00325-g8a5f56bcfcca #8\n  Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)\n  Call trace:\n   tty_driver_flush_buffer+0x4/0x30\n   serdev_device_write_flush+0x24/0x34\n   qca_serdev_shutdown+0x80/0x130 [hci_uart]\n   device_shutdown+0x15c/0x260\n   kernel_restart+0x48/0xac\n\nKASAN report:\n\n  BUG: KASAN: use-after-free in tty_driver_flush_buffer+0x1c/0x50\n  Read of size 8 at addr ffff16270c2e0018 by task systemd-shutdow/1\n\n  CPU: 7 PID: 1 Comm: systemd-shutdow Not tainted\n  6.1.0-next-20221220-00014-gb85aaf97fb01-dirty #28\n  Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)\n  Call trace:\n   dump_backtrace.part.0+0xdc/0xf0\n   show_stack+0x18/0x30\n   dump_stack_lvl+0x68/0x84\n   print_report+0x188/0x488\n   kasan_report+0xa4/0xf0\n   __asan_load8+0x80/0xac\n   tty_driver_flush_buffer+0x1c/0x50\n   ttyport_write_flush+0x34/0x44\n   serdev_device_write_flush+0x48/0x60\n   qca_serdev_shutdown+0x124/0x274\n   device_shutdown+0x1e8/0x350\n   kernel_restart+0x48/0xb0\n   __do_sys_reboot+0x244/0x2d0\n   __arm64_sys_reboot+0x54/0x70\n   invoke_syscall+0x60/0x190\n   el0_svc_common.constprop.0+0x7c/0x160\n   do_el0_svc+0x44/0xf0\n   el0_svc+0x2c/0x6c\n   el0t_64_sync_handler+0xbc/0x140\n   el0t_64_sync+0x190/0x194"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Bluetooth: hci_qca: corrige el apagado del controlador en serdev cerrado La devoluci\u00f3n de llamada de apagado del controlador (que env\u00eda EDL_SOC_RESET al dispositivo a trav\u00e9s de serdev) no debe invocarse cuando el dispositivo HCI no est\u00e1 abierto (por ejemplo, si hci_dev_open_sync () fall\u00f3), porque el serdev y su TTY tampoco est\u00e1n abiertos. Omita tambi\u00e9n este paso si el dispositivo est\u00e1 apagado (qca_power_shutdown()). La devoluci\u00f3n de llamada de apagado provoca use-after-free durante el reinicio del sistema con Qualcomm Atheros Bluetooth: no se puede manejar la solicitud de paginaci\u00f3n del kernel en la direcci\u00f3n virtual 0072662f67726fd7... CPU: 6 PID: 1 Comm: systemd-shutdow Contaminado: GW 6.1.0-rt5- 00325-g8a5f56bcfcca #8 Nombre del hardware: Qualcomm Technologies, Inc. Robotics RB5 (DT) Rastreo de llamadas: tty_driver_flush_b\u00fafer+0x4/0x30 serdev_device_write_flush+0x24/0x34 qca_serdev_shutdown+0x80/0x130 [hci_uart] device_shutdown+0x15c/0x2 60 kernel_restart+0x48/0xac KASAN informe: ERROR: KASAN: use-after-free en tty_driver_flush_b\u00fafer+0x1c/0x50 Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff16270c2e0018 por tarea systemd-shutdow/1 CPU: 7 PID: 1 Comunicaciones: systemd-shutdow No contaminado 6.1.0-next- 20221220-00014-gb85aaf97fb01-dirty #28 Nombre del hardware: Qualcomm Technologies, Inc. Robotics RB5 (DT) Rastreo de llamadas: dump_backtrace.part.0+0xdc/0xf0 show_stack+0x18/0x30 dump_stack_lvl+0x68/0x84 print_report+0x188/0x488 puerto +0xa4/0xf0 __asan_load8+0x80/0xac tty_driver_flush_b\u00fafer+0x1c/0x50 ttyport_write_flush+0x34/0x44 serdev_device_write_flush+0x48/0x60 qca_serdev_shutdown+0x124/0x274 dispositivo_shutdown+0x1e8/0x3 50 kernel_restart+0x48/0xb0 __do_sys_reboot+0x244/0x2d0 __arm64_sys_reboot+0x54/0x70 invoke_syscall +0x60/0x190 el0_svc_common.constprop.0+0x7c/0x160 do_el0_svc+0x44/0xf0 el0_svc+0x2c/0x6c el0t_64_sync_handler+0xbc/0x140 el0t_64_sync+0x190/0x194"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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  "references": [
    {
      "url": "https://git.kernel.org/stable/c/272970be3dabd24cbe50e393ffee8f04aec3b9a8",
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