CVE-2022-49981

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> HID: hidraw: fix memory leak in hidraw_release()<br /> <br /> Free the buffered reports before deleting the list entry.<br /> <br /> BUG: memory leak<br /> unreferenced object 0xffff88810e72f180 (size 32):<br /> comm "softirq", pid 0, jiffies 4294945143 (age 16.080s)<br /> hex dump (first 32 bytes):<br /> 64 f3 c6 6a d1 88 07 04 00 00 00 00 00 00 00 00 d..j............<br /> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................<br /> backtrace:<br /> [] kmemdup+0x23/0x50 mm/util.c:128<br /> [] kmemdup include/linux/fortify-string.h:440 [inline]<br /> [] hidraw_report_event+0xa2/0x150 drivers/hid/hidraw.c:521<br /> [] hid_report_raw_event+0x27d/0x740 drivers/hid/hid-core.c:1992<br /> [] hid_input_report+0x1ae/0x270 drivers/hid/hid-core.c:2065<br /> [] hid_irq_in+0x1ff/0x250 drivers/hid/usbhid/hid-core.c:284<br /> [] __usb_hcd_giveback_urb+0xf9/0x230 drivers/usb/core/hcd.c:1670<br /> [] usb_hcd_giveback_urb+0x1b6/0x1d0 drivers/usb/core/hcd.c:1747<br /> [] dummy_timer+0x8e4/0x14c0 drivers/usb/gadget/udc/dummy_hcd.c:1988<br /> [] call_timer_fn+0x38/0x200 kernel/time/timer.c:1474<br /> [] expire_timers kernel/time/timer.c:1519 [inline]<br /> [] __run_timers.part.0+0x316/0x430 kernel/time/timer.c:1790<br /> [] __run_timers kernel/time/timer.c:1768 [inline]<br /> [] run_timer_softirq+0x44/0x90 kernel/time/timer.c:1803<br /> [] __do_softirq+0xe6/0x2ea kernel/softirq.c:571<br /> [] invoke_softirq kernel/softirq.c:445 [inline]<br /> [] __irq_exit_rcu kernel/softirq.c:650 [inline]<br /> [] irq_exit_rcu+0xc0/0x110 kernel/softirq.c:662<br /> [] sysvec_apic_timer_interrupt+0xa2/0xd0 arch/x86/kernel/apic/apic.c:1106<br /> [] asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649<br /> [] native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]<br /> [] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]<br /> [] acpi_safe_halt drivers/acpi/processor_idle.c:111 [inline]<br /> [] acpi_idle_do_entry+0xc0/0xd0 drivers/acpi/processor_idle.c:554