CVE-2022-49981

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49981
In the Linux kernel, the following vulnerability has been resolved: HID: hidraw: fix memory leak in hidraw_release() Free the buffered reports before deleting the list entry. BUG: memory leak unreferenced object 0xffff88810e72f180 (size 32): comm "softirq", pid 0, jiffies 4294945143 (age 16.080s) hex dump (first 32 bytes): 64 f3 c6 6a d1 88 07 04 00 00 00 00 00 00 00 00 d..j............ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff814ac6c3>] kmemdup+0x23/0x50 mm/util.c:128 [<ffffffff8357c1d2>] kmemdup include/linux/fortify-string.h:440 [inline] [<ffffffff8357c1d2>] hidraw_report_event+0xa2/0x150 drivers/hid/hidraw.c:521 [<ffffffff8356ddad>] hid_report_raw_event+0x27d/0x740 drivers/hid/hid-core.c:1992 [<ffffffff8356e41e>] hid_input_report+0x1ae/0x270 drivers/hid/hid-core.c:2065 [<ffffffff835f0d3f>] hid_irq_in+0x1ff/0x250 drivers/hid/usbhid/hid-core.c:284 [<ffffffff82d3c7f9>] __usb_hcd_giveback_urb+0xf9/0x230 drivers/usb/core/hcd.c:1670 [<ffffffff82d3cc26>] usb_hcd_giveback_urb+0x1b6/0x1d0 drivers/usb/core/hcd.c:1747 [<ffffffff82ef1e14>] dummy_timer+0x8e4/0x14c0 drivers/usb/gadget/udc/dummy_hcd.c:1988 [<ffffffff812f50a8>] call_timer_fn+0x38/0x200 kernel/time/timer.c:1474 [<ffffffff812f5586>] expire_timers kernel/time/timer.c:1519 [inline] [<ffffffff812f5586>] __run_timers.part.0+0x316/0x430 kernel/time/timer.c:1790 [<ffffffff812f56e4>] __run_timers kernel/time/timer.c:1768 [inline] [<ffffffff812f56e4>] run_timer_softirq+0x44/0x90 kernel/time/timer.c:1803 [<ffffffff848000e6>] __do_softirq+0xe6/0x2ea kernel/softirq.c:571 [<ffffffff81246db0>] invoke_softirq kernel/softirq.c:445 [inline] [<ffffffff81246db0>] __irq_exit_rcu kernel/softirq.c:650 [inline] [<ffffffff81246db0>] irq_exit_rcu+0xc0/0x110 kernel/softirq.c:662 [<ffffffff84574f02>] sysvec_apic_timer_interrupt+0xa2/0xd0 arch/x86/kernel/apic/apic.c:1106 [<ffffffff84600c8b>] asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649 [<ffffffff8458a070>] native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] [<ffffffff8458a070>] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] [<ffffffff8458a070>] acpi_safe_halt drivers/acpi/processor_idle.c:111 [inline] [<ffffffff8458a070>] acpi_idle_do_entry+0xc0/0xd0 drivers/acpi/processor_idle.c:554

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/1bea0bbf66001b0c7bf239a4d70eaf47824d3feb Patch
https://git.kernel.org/stable/c/52a3c62a815161c2dcf38ac421f6c41d8679462b Patch
https://git.kernel.org/stable/c/53c7c4d5d40b45c127cb1193bf3e9670f844c3cf Patch
https://git.kernel.org/stable/c/7e2fa79226580b035b00260d9f240ab9bda4af5d Patch
https://git.kernel.org/stable/c/a5623a203cffe2d2b84d2f6c989d9017db1856af Patch
https://git.kernel.org/stable/c/c06b013f5cbfeafe0a9cfa5a7128604c34e0e517 Patch
https://git.kernel.org/stable/c/dfd27a737283313a3e626e97b9d9b2d8d6a94188 Patch
https://git.kernel.org/stable/c/f5b7e9611cffec345d62d5bdd8b6e30e89956818 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:*
History

14 Nov 2025, 18:15

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/1bea0bbf66001b0c7bf239a4d70eaf47824d3feb - () https://git.kernel.org/stable/c/1bea0bbf66001b0c7bf239a4d70eaf47824d3feb - Patch
References () https://git.kernel.org/stable/c/52a3c62a815161c2dcf38ac421f6c41d8679462b - () https://git.kernel.org/stable/c/52a3c62a815161c2dcf38ac421f6c41d8679462b - Patch
References () https://git.kernel.org/stable/c/53c7c4d5d40b45c127cb1193bf3e9670f844c3cf - () https://git.kernel.org/stable/c/53c7c4d5d40b45c127cb1193bf3e9670f844c3cf - Patch
References () https://git.kernel.org/stable/c/7e2fa79226580b035b00260d9f240ab9bda4af5d - () https://git.kernel.org/stable/c/7e2fa79226580b035b00260d9f240ab9bda4af5d - Patch
References () https://git.kernel.org/stable/c/a5623a203cffe2d2b84d2f6c989d9017db1856af - () https://git.kernel.org/stable/c/a5623a203cffe2d2b84d2f6c989d9017db1856af - Patch
References () https://git.kernel.org/stable/c/c06b013f5cbfeafe0a9cfa5a7128604c34e0e517 - () https://git.kernel.org/stable/c/c06b013f5cbfeafe0a9cfa5a7128604c34e0e517 - Patch
References () https://git.kernel.org/stable/c/dfd27a737283313a3e626e97b9d9b2d8d6a94188 - () https://git.kernel.org/stable/c/dfd27a737283313a3e626e97b9d9b2d8d6a94188 - Patch
References () https://git.kernel.org/stable/c/f5b7e9611cffec345d62d5bdd8b6e30e89956818 - () https://git.kernel.org/stable/c/f5b7e9611cffec345d62d5bdd8b6e30e89956818 - Patch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE CWE-401
CPE cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: HID: hidraw: corrige pérdida de memoria en hidraw_release() Libera los informes almacenados en búfer antes de eliminar la entrada de la lista. ERROR: Fuga de memoria, objeto no referenciado 0xffff88810e72f180 (tamaño 32): comm "softirq", pid 0, jiffies 4294945143 (edad 16.080s) volcado hexadecimal (primeros 32 bytes): 64 f3 c6 6a d1 88 07 04 00 00 00 00 00 00 00 00 00 d..j............ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmemdup+0x23/0x50 mm/util.c:128 [] kmemdup include/linux/fortify-string.h:440 [inline] [] hidraw_report_event+0xa2/0x150 drivers/hid/hidraw.c:521 [] hid_report_raw_event+0x27d/0x740 drivers/hid/hid-core.c:1992 [] hid_input_report+0x1ae/0x270 drivers/hid/hid-core.c:2065 [] hid_irq_in+0x1ff/0x250 drivers/hid/usbhid/hid-core.c:284 [] __usb_hcd_giveback_urb+0xf9/0x230 drivers/usb/core/hcd.c:1670 [] usb_hcd_giveback_urb+0x1b6/0x1d0 drivers/usb/core/hcd.c:1747 [] dummy_timer+0x8e4/0x14c0 drivers/usb/gadget/udc/dummy_hcd.c:1988 [] call_timer_fn+0x38/0x200 kernel/time/timer.c:1474 [] expire_timers kernel/time/timer.c:1519 [inline] [] __run_timers.part.0+0x316/0x430 kernel/time/timer.c:1790 [] __run_timers kernel/time/timer.c:1768 [inline] [] run_timer_softirq+0x44/0x90 kernel/time/timer.c:1803 [] __do_softirq+0xe6/0x2ea kernel/softirq.c:571 [] invoke_softirq kernel/softirq.c:445 [inline] [] __irq_exit_rcu kernel/softirq.c:650 [inline] [] irq_exit_rcu+0xc0/0x110 kernel/softirq.c:662 [] sysvec_apic_timer_interrupt+0xa2/0xd0 arch/x86/kernel/apic/apic.c:1106 [] asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649 [] native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] [] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] [] acpi_safe_halt drivers/acpi/processor_idle.c:111 [inline] [] acpi_idle_do_entry+0xc0/0xd0 drivers/acpi/processor_idle.c:554
First Time Linux
Linux linux Kernel

18 Jun 2025, 11:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-06-18 11:15

Updated : 2025-11-14 18:15

NVD link : CVE-2022-49981

Mitre link : CVE-2022-49981

CVE.ORG link : CVE-2022-49981

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime