{"cve":"CVE-2022-49981","nvd":{"published":"2025-06-18T11:15:25.597","modified":"2026-06-17T05:19:40.430","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: hidraw: fix memory leak in hidraw_release()\n\nFree the buffered reports before deleting the list entry.\n\nBUG: memory leak\nunreferenced object 0xffff88810e72f180 (size 32):\n  comm \"softirq\", pid 0, jiffies 4294945143 (age 16.080s)\n  hex dump (first 32 bytes):\n    64 f3 c6 6a d1 88 07 04 00 00 00 00 00 00 00 00  d..j............\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<ffffffff814ac6c3>] kmemdup+0x23/0x50 mm/util.c:128\n    [<ffffffff8357c1d2>] kmemdup include/linux/fortify-string.h:440 [inline]\n    [<ffffffff8357c1d2>] hidraw_report_event+0xa2/0x150 drivers/hid/hidraw.c:521\n    [<ffffffff8356ddad>] hid_report_raw_event+0x27d/0x740 drivers/hid/hid-core.c:1992\n    [<ffffffff8356e41e>] hid_input_report+0x1ae/0x270 drivers/hid/hid-core.c:2065\n    [<ffffffff835f0d3f>] hid_irq_in+0x1ff/0x250 drivers/hid/usbhid/hid-core.c:284\n    [<ffffffff82d3c7f9>] __usb_hcd_giveback_urb+0xf9/0x230 drivers/usb/core/hcd.c:1670\n    [<ffffffff82d3cc26>] usb_hcd_giveback_urb+0x1b6/0x1d0 drivers/usb/core/hcd.c:1747\n    [<ffffffff82ef1e14>] dummy_timer+0x8e4/0x14c0 drivers/usb/gadget/udc/dummy_hcd.c:1988\n    [<ffffffff812f50a8>] call_timer_fn+0x38/0x200 kernel/time/timer.c:1474\n    [<ffffffff812f5586>] expire_timers kernel/time/timer.c:1519 [inline]\n    [<ffffffff812f5586>] __run_timers.part.0+0x316/0x430 kernel/time/timer.c:1790\n    [<ffffffff812f56e4>] __run_timers kernel/time/timer.c:1768 [inline]\n    [<ffffffff812f56e4>] run_timer_softirq+0x44/0x90 kernel/time/timer.c:1803\n    [<ffffffff848000e6>] __do_softirq+0xe6/0x2ea kernel/softirq.c:571\n    [<ffffffff81246db0>] invoke_softirq kernel/softirq.c:445 [inline]\n    [<ffffffff81246db0>] __irq_exit_rcu kernel/softirq.c:650 [inline]\n    [<ffffffff81246db0>] irq_exit_rcu+0xc0/0x110 kernel/softirq.c:662\n    [<ffffffff84574f02>] sysvec_apic_timer_interrupt+0xa2/0xd0 arch/x86/kernel/apic/apic.c:1106\n    [<ffffffff84600c8b>] asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649\n    [<ffffffff8458a070>] native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]\n    [<ffffffff8458a070>] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]\n    [<ffffffff8458a070>] acpi_safe_halt drivers/acpi/processor_idle.c:111 [inline]\n    [<ffffffff8458a070>] acpi_idle_do_entry+0xc0/0xd0 drivers/acpi/processor_idle.c:554","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/1bea0bbf66001b0c7bf239a4d70eaf47824d3feb","https://git.kernel.org/stable/c/52a3c62a815161c2dcf38ac421f6c41d8679462b","https://git.kernel.org/stable/c/53c7c4d5d40b45c127cb1193bf3e9670f844c3cf","https://git.kernel.org/stable/c/7e2fa79226580b035b00260d9f240ab9bda4af5d","https://git.kernel.org/stable/c/a5623a203cffe2d2b84d2f6c989d9017db1856af"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:03:23.287444849+00:00"},"epss":{"cve":"CVE-2022-49981","score":0.00253,"percentile":0.16891,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}