CVE-2023-52907 (GCVE-0-2023-52907)
Vulnerability from cvelistv5
Published
2024-08-21 06:10
Modified
2026-05-11 19:35
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame() Fix a use-after-free that occurs in hcd when in_urb sent from pn533_usb_send_frame() is completed earlier than out_urb. Its callback frees the skb data in pn533_send_async_complete() that is used as a transfer buffer of out_urb. Wait before sending in_urb until the callback of out_urb is called. To modify the callback of out_urb alone, separate the complete function of out_urb and ack_urb. Found by a modified version of syzkaller. BUG: KASAN: use-after-free in dummy_timer Call Trace: memcpy (mm/kasan/shadow.c:65) dummy_perform_transfer (drivers/usb/gadget/udc/dummy_hcd.c:1352) transfer (drivers/usb/gadget/udc/dummy_hcd.c:1453) dummy_timer (drivers/usb/gadget/udc/dummy_hcd.c:1972) arch_static_branch (arch/x86/include/asm/jump_label.h:27) static_key_false (include/linux/jump_label.h:207) timer_expire_exit (include/trace/events/timer.h:127) call_timer_fn (kernel/time/timer.c:1475) expire_timers (kernel/time/timer.c:1519) __run_timers (kernel/time/timer.c:1790) run_timer_softirq (kernel/time/timer.c:1803)
References
Impacted products
Vendor Product Version
Linux Linux Version: c46ee38620a2aa2b25b16bc9738ace80dbff76a4
Version: c46ee38620a2aa2b25b16bc9738ace80dbff76a4
Version: c46ee38620a2aa2b25b16bc9738ace80dbff76a4
Version: c46ee38620a2aa2b25b16bc9738ace80dbff76a4
Version: c46ee38620a2aa2b25b16bc9738ace80dbff76a4
Version: c46ee38620a2aa2b25b16bc9738ace80dbff76a4
Version: c46ee38620a2aa2b25b16bc9738ace80dbff76a4
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: pn533: Wait for out_urb\u0027s completion in pn533_usb_send_frame()\n\nFix a use-after-free that occurs in hcd when in_urb sent from\npn533_usb_send_frame() is completed earlier than out_urb. Its callback\nfrees the skb data in pn533_send_async_complete() that is used as a\ntransfer buffer of out_urb. Wait before sending in_urb until the\ncallback of out_urb is called. To modify the callback of out_urb alone,\nseparate the complete function of out_urb and ack_urb.\n\nFound by a modified version of syzkaller.\n\nBUG: KASAN: use-after-free in dummy_timer\nCall Trace:\n memcpy (mm/kasan/shadow.c:65)\n dummy_perform_transfer (drivers/usb/gadget/udc/dummy_hcd.c:1352)\n transfer (drivers/usb/gadget/udc/dummy_hcd.c:1453)\n dummy_timer (drivers/usb/gadget/udc/dummy_hcd.c:1972)\n arch_static_branch (arch/x86/include/asm/jump_label.h:27)\n static_key_false (include/linux/jump_label.h:207)\n timer_expire_exit (include/trace/events/timer.h:127)\n call_timer_fn (kernel/time/timer.c:1475)\n expire_timers (kernel/time/timer.c:1519)\n __run_timers (kernel/time/timer.c:1790)\n run_timer_softirq (kernel/time/timer.c:1803)"
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          "url": "https://git.kernel.org/stable/c/35529d6b827eedb6bf7e81130e4b7e0aba9e58d2"
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          "url": "https://git.kernel.org/stable/c/321db5131c92983dac4f3338e8fbb6df214238c0"
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          "url": "https://git.kernel.org/stable/c/9424d2205fe94a095fb9365ec0c6137f0b394a2b"
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          "url": "https://git.kernel.org/stable/c/9dab880d675b9d0dd56c6428e4e8352a3339371d"
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      "title": "nfc: pn533: Wait for out_urb\u0027s completion in pn533_usb_send_frame()",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52907",
    "datePublished": "2024-08-21T06:10:48.171Z",
    "dateReserved": "2024-08-21T06:07:11.015Z",
    "dateUpdated": "2026-05-11T19:35:17.913Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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