{"id":"CVE-2022-48978","summary":"HID: core: fix shift-out-of-bounds in hid_report_raw_event","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: core: fix shift-out-of-bounds in hid_report_raw_event\n\nSyzbot reported shift-out-of-bounds in hid_report_raw_event.\n\nmicrosoft 0003:045E:07DA.0001: hid_field_extract() called with n (128) \u003e\n32! (swapper/0)\n======================================================================\nUBSAN: shift-out-of-bounds in drivers/hid/hid-core.c:1323:20\nshift exponent 127 is too large for 32-bit type 'int'\nCPU: 0 PID: 0 Comm: swapper/0 Not tainted\n6.1.0-rc4-syzkaller-00159-g4bbf3422df78 #0\nHardware name: Google Compute Engine/Google Compute Engine, BIOS\nGoogle 10/26/2022\nCall Trace:\n \u003cIRQ\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106\n ubsan_epilogue lib/ubsan.c:151 [inline]\n __ubsan_handle_shift_out_of_bounds+0x3a6/0x420 lib/ubsan.c:322\n snto32 drivers/hid/hid-core.c:1323 [inline]\n hid_input_fetch_field drivers/hid/hid-core.c:1572 [inline]\n hid_process_report drivers/hid/hid-core.c:1665 [inline]\n hid_report_raw_event+0xd56/0x18b0 drivers/hid/hid-core.c:1998\n hid_input_report+0x408/0x4f0 drivers/hid/hid-core.c:2066\n hid_irq_in+0x459/0x690 drivers/hid/usbhid/hid-core.c:284\n __usb_hcd_giveback_urb+0x369/0x530 drivers/usb/core/hcd.c:1671\n dummy_timer+0x86b/0x3110 drivers/usb/gadget/udc/dummy_hcd.c:1988\n call_timer_fn+0xf5/0x210 kernel/time/timer.c:1474\n expire_timers kernel/time/timer.c:1519 [inline]\n __run_timers+0x76a/0x980 kernel/time/timer.c:1790\n run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803\n __do_softirq+0x277/0x75b kernel/softirq.c:571\n __irq_exit_rcu+0xec/0x170 kernel/softirq.c:650\n irq_exit_rcu+0x5/0x20 kernel/softirq.c:662\n sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1107\n======================================================================\n\nIf the size of the integer (unsigned n) is bigger than 32 in snto32(),\nshift exponent will be too large for 32-bit type 'int', resulting in a\nshift-out-of-bounds bug.\nFix this by adding a check on the size of the integer (unsigned n) in\nsnto32(). To add support for n greater than 32 bits, set n to 32, if n\nis greater than 32.","modified":"2026-04-11T12:43:23.750282Z","published":"2024-10-21T20:05:57.079Z","related":["SUSE-SU-2024:3983-1","SUSE-SU-2024:3985-1","SUSE-SU-2024:4082-1","SUSE-SU-2024:4100-1","SUSE-SU-2024:4131-1","SUSE-SU-2024:4364-1","SUSE-SU-2025:0034-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48978.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/151493fe5a6ed1a88decc929a7368a3f2a246914"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2b3b4d7aadaa1b6b58d0f34823bf86cfe8a31b4d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/809783f8b4b600c7fb3bccb10fefef822601ea3b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8e14f20e12224ee2429f75a5c9418a700e26a8d3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bc03f809da78fc79e4aee132d4e5c6a2b3aeec73"},{"type":"WEB","url":"https://git.kernel.org/stable/c/db1ed1b3fb4ec0d19080a102956255769bc45c79"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ec61b41918587be530398b0d1c9a0d16619397e5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f755d11c55b29049b77da5cd9ab2faae96eb33c3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48978.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48978"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"dde5845a529ff753364a6d1aea61180946270bfa"},{"fixed":"151493fe5a6ed1a88decc929a7368a3f2a246914"},{"fixed":"809783f8b4b600c7fb3bccb10fefef822601ea3b"},{"fixed":"8e14f20e12224ee2429f75a5c9418a700e26a8d3"},{"fixed":"db1ed1b3fb4ec0d19080a102956255769bc45c79"},{"fixed":"bc03f809da78fc79e4aee132d4e5c6a2b3aeec73"},{"fixed":"f755d11c55b29049b77da5cd9ab2faae96eb33c3"},{"fixed":"2b3b4d7aadaa1b6b58d0f34823bf86cfe8a31b4d"},{"fixed":"ec61b41918587be530398b0d1c9a0d16619397e5"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48978.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.20"},{"fixed":"4.9.336"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"4.14.302"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.269"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.227"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.159"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.83"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.0.13"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48978.json"}}],"schema_version":"1.7.5"}