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CVE-2022-49981

5.5 · MEDIUM
Published Jun 18, 2025 linux CWE-401 EPSS 0.22% (12th pctl)

Overview

CVE-2022-49981 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 18, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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+0x

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
linux linux_kernel >= 2.6.24, < 4.9.327 Affected

Frequently Asked Questions

What is CVE-2022-49981?

CVE-2022-49981 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 18, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49981?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-49981?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-49981?

CyberStrike's AI-powered security agents can automatically detect CVE-2022-49981 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.