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https://github.com/fkie-cad/nvd-json-data-feeds.git
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33 lines
2.8 KiB
JSON
33 lines
2.8 KiB
JSON
{
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"id": "CVE-2022-48878",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-08-21T07:15:04.627",
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"lastModified": "2024-08-21T07:15:04.627",
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"vulnStatus": "Received",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"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"
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}
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],
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"metrics": {},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/272970be3dabd24cbe50e393ffee8f04aec3b9a8",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/908d1742b6e694e84ead5c62e4b7c1bfbb8b46a3",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/e84ec6e25df9bb0968599e92eacedaf3a0a5b587",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/ea3ebda47dd56f6e1c62f2e0e1b6e1b0a973e447",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |