CVE-2022-49981

Advisory lineage Upstream: 0 Downstream: 10
Analyzed
Published: 18 Jun 2025, 11:00
Last modified:11 May 2026, 19:10

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.05% LOW
0% probability +0.04%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Jun 2025, 11:00
Published
Vulnerability first disclosed
11 May 2026, 19:10
Last Modified
Vulnerability information updated

Description

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

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.05%• Percentile: 16%

Techniques & Countermeasures

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

  • linux•linux

    ≥ 86166b7bcda0bcb53525114fa1c87ac432be478e, < 1bea0bbf66001b0c7bf239a4d70eaf47824d3feb | ≥ 86166b7bcda0bcb53525114fa1c87ac432be478e, < c06b013f5cbfeafe0a9cfa5a7128604c34e0e517 | ≥ 86166b7bcda0bcb53525114fa1c87ac432be478e, < f5b7e9611cffec345d62d5bdd8b6e30e89956818 | ≥ 86166b7bcda0bcb53525114fa1c87ac432be478e, < 53c7c4d5d40b45c127cb1193bf3e9670f844c3cf | ≥ 86166b7bcda0bcb53525114fa1c87ac432be478e, < 7e2fa79226580b035b00260d9f240ab9bda4af5d | ≥ 86166b7bcda0bcb53525114fa1c87ac432be478e, < dfd27a737283313a3e626e97b9d9b2d8d6a94188 | ≥ 86166b7bcda0bcb53525114fa1c87ac432be478e, < 52a3c62a815161c2dcf38ac421f6c41d8679462b | ≥ 86166b7bcda0bcb53525114fa1c87ac432be478e, < a5623a203cffe2d2b84d2f6c989d9017db1856af | 2.6.24

  • linux•linux_kernel

    ≥ 2.6.24, < 4.9.327 | ≥ 4.10, < 4.14.292 | ≥ 4.15, < 4.19.257 | ≥ 4.20, < 5.4.212 | ≥ 5.5, < 5.10.141 | ≥ 5.11, < 5.15.65 | ≥ 5.16, < 5.19.7 | 6.0:rc1 | 6.0:rc2 | 6.0:rc3

References (8)