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Unknown
CVE-2022-48978
Disclosure Date: October 21, 2024 (last updated October 26, 2024)
In the Linux kernel, the following vulnerability has been resolved:
HID: core: fix shift-out-of-bounds in hid_report_raw_event
Syzbot reported shift-out-of-bounds in hid_report_raw_event.
microsoft 0003:045E:07DA.0001: hid_field_extract() called with n (128) >
32! (swapper/0)
======================================================================
UBSAN: shift-out-of-bounds in drivers/hid/hid-core.c:1323:20
shift exponent 127 is too large for 32-bit type 'int'
CPU: 0 PID: 0 Comm: swapper/0 Not tainted
6.1.0-rc4-syzkaller-00159-g4bbf3422df78 #0
Hardware name: Google Compute Engine/Google Compute Engine, BIOS
Google 10/26/2022
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
ubsan_epilogue lib/ubsan.c:151 [inline]
__ubsan_handle_shift_out_of_bounds+0x3a6/0x420 lib/ubsan.c:322
snto32 drivers/hid/hid-core.c:1323 [inline]
hid_input_fetch_field drivers/hid/hid-core.c:1572 [inline]
hid_process_report drivers/hid/hid-core.c:1…
0