CVE-2023-52907: nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame()
First published: Wed Aug 21 2024(Updated: )
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)
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=3.1<4.14.303 | |
| Linux Linux kernel | >=4.15<4.19.270 | |
| Linux Linux kernel | >=4.20<5.4.229 | |
| Linux Linux kernel | >=5.5<5.10.164 | |
| Linux Linux kernel | >=5.11<5.15.89 | |
| Linux Linux kernel | >=5.16<6.1.7 | |
| Linux Linux kernel | =6.2-rc1 | |
| Linux Linux kernel | =6.2-rc2 | |
| Linux Linux kernel | =6.2-rc3 |
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Reference Links
- https://git.kernel.org/stable/c/35529d6b827eedb6bf7e81130e4b7e0aba9e58d2
- https://git.kernel.org/stable/c/321db5131c92983dac4f3338e8fbb6df214238c0
- https://git.kernel.org/stable/c/9424d2205fe94a095fb9365ec0c6137f0b394a2b
- https://git.kernel.org/stable/c/0ca78c99656f5c448567db1e148367aa3b01c80a
- https://git.kernel.org/stable/c/39ae73e581112cfe27ba50aecb1c891ce57cecb1
- https://git.kernel.org/stable/c/8998db5021a28ad67aa8d627bdb4226e4046ccc4
- https://git.kernel.org/stable/c/9dab880d675b9d0dd56c6428e4e8352a3339371d
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