What’s Vulnerable › Vulnerabilities

CVE-2022-49874: HID: hyperv: fix possible memory leak in mousevsc_probe()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-01 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: fix possible memory leak in mousevsc_probe() If hid_add_device() returns error, it should call hid_destroy_device() to free hid_dev which is allocated in hid_allocate_device().

Affected products

• Linux kernel: from 3.3 before 4.9.334; from 4.10 before 4.14.300; from 4.15 before 4.19.267; from 4.20 before 5.4.225; from 5.5 before 5.10.155; from 5.11 before 5.15.79 — fixed in 4.14.300, 4.19.267, 4.9.334, 5.10.155, 5.15.79, 5.4.225

How to fix

Upgrade to a fixed version: Linux kernel 4.14.300, 4.19.267, 4.9.334, 5.10.155. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/249b743801c00542e9324f87b380032e957a43e8
• https://git.kernel.org/stable/c/5ad95d71344b7ffec360d62591633b3c465dc049
• https://git.kernel.org/stable/c/5f3aba6566b866f5b0a4916f0b2e8a6ae66a6451
• https://git.kernel.org/stable/c/8597b59e3d22b27849bd3e4f92a3d466774bfb04
• https://git.kernel.org/stable/c/a6d2fb1874c52ace1f5cf1966ee558829c5c19b6
• https://git.kernel.org/stable/c/b5bcb94b0954a026bbd671741fdb00e7141f9c91
• https://git.kernel.org/stable/c/e29289d0d8193fca6d2c1f0a1de75cfc80edec00
• https://git.kernel.org/stable/c/ed75d1a1c31a0cae8ecc8bcea710b25c0be68da0

Get alerted when CVE-2022-49874 or the next vulnerability affects your stack