cbcvebase.
CVE-2022-48978
published 2024-10-21

CVE-2022-48978: In the Linux kernel, the following vulnerability has been resolved: HID: core: fix shift-out-of-bounds in hid_report_raw_event Syzbot reported…

PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.25%
16.5th percentile
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: __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:1665 [inline] hid_report_raw_event+0xd56/0x18b0 drivers/hid/hid-core.c:1998 hid_input_report+0x408/0x4f0 drivers/hid/hid-core.c:2066 hid_irq_in+0x459/0x690 drivers/hid/usbhid/hid-core.c:284 __usb_hcd_giveback_urb+0x369/0x530 drivers/usb/core/hcd.c:1671 dummy_timer+0x86b/0x3110 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0xf5/0x210 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers+0x76a/0x980 kernel/time/timer.c:1790 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803 __do_softirq+0x277/0x75b kernel/softirq.c:571 __irq_exit_rcu+0xec/0x170 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1107 If the size of the integer (unsigned n) is bigger than 32 in snto32(), shift exponent will be too large for 32-bit type 'int', resulting in a shift-out-of-bounds bug. Fix this by adding a check on the size of the integer (unsigned n) in snto32(). To add support for n greater than 32 bits, set n to 32, if n is greater than 32.

Affected

22 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.4-1 (bookworm)linux 6.1.4-1 (bookworm)
linuxlinux
linuxlinux>= dde5845a529ff753364a6d1aea61180946270bfa < 151493fe5a6ed1a88decc929a7368a3f2a246914151493fe5a6ed1a88decc929a7368a3f2a246914
linuxlinux>= dde5845a529ff753364a6d1aea61180946270bfa < 809783f8b4b600c7fb3bccb10fefef822601ea3b809783f8b4b600c7fb3bccb10fefef822601ea3b
linuxlinux>= dde5845a529ff753364a6d1aea61180946270bfa < 8e14f20e12224ee2429f75a5c9418a700e26a8d38e14f20e12224ee2429f75a5c9418a700e26a8d3
linuxlinux>= dde5845a529ff753364a6d1aea61180946270bfa < db1ed1b3fb4ec0d19080a102956255769bc45c79db1ed1b3fb4ec0d19080a102956255769bc45c79
linuxlinux>= dde5845a529ff753364a6d1aea61180946270bfa < bc03f809da78fc79e4aee132d4e5c6a2b3aeec73bc03f809da78fc79e4aee132d4e5c6a2b3aeec73
linuxlinux>= dde5845a529ff753364a6d1aea61180946270bfa < f755d11c55b29049b77da5cd9ab2faae96eb33c3f755d11c55b29049b77da5cd9ab2faae96eb33c3
linuxlinux>= dde5845a529ff753364a6d1aea61180946270bfa < 2b3b4d7aadaa1b6b58d0f34823bf86cfe8a31b4d2b3b4d7aadaa1b6b58d0f34823bf86cfe8a31b4d
linuxlinux>= dde5845a529ff753364a6d1aea61180946270bfa < ec61b41918587be530398b0d1c9a0d16619397e5ec61b41918587be530398b0d1c9a0d16619397e5
linuxlinux_kernel
linuxlinux_kernel>= 0 < 5.10.162-15.10.162-1
linuxlinux_kernel>= 0 < 6.1.4-16.1.4-1
linuxlinux_kernel>= 0 < 6.1.4-16.1.4-1
linuxlinux_kernel>= 0 < 6.1.4-16.1.4-1
linuxlinux_kernel>= 2.6.20 < 4.9.3364.9.336
linuxlinux_kernel>= 4.10 < 4.14.3024.14.302
linuxlinux_kernel>= 4.15 < 4.19.2694.19.269
linuxlinux_kernel>= 4.20 < 5.4.2275.4.227
linuxlinux_kernel>= 5.11 < 5.15.835.15.83
linuxlinux_kernel>= 5.16 < 6.0.136.0.13
linuxlinux_kernel>= 5.5 < 5.10.1595.10.159

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.