What’s Vulnerable › Vulnerabilities

CVE-2022-50514: usb: gadget: f_hid: fix refcount leak on error path

• 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: 2025-10-07 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_hid: fix refcount leak on error path When failing to allocate report_desc, opts->refcnt has already been incremented so it needs to be decremented to avoid leaving the options structure permanently locked.

Affected products

• Linux kernel: from 3.19 before 4.19.270; from 4.20 before 5.4.229; from 5.5 before 5.10.163; from 5.11 before 5.15.86; from 5.16 before 6.0.16; from 6.1 before 6.1.2 — fixed in 4.19.270, 5.10.163, 5.15.86, 5.4.229, 6.0.16, 6.1.2

How to fix

Upgrade to a fixed version: Linux kernel 4.19.270, 5.10.163, 5.15.86, 5.4.229. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/216437dd64fce36791a3b6cc8f8013df36856958
• https://git.kernel.org/stable/c/70a3288a7586526315105c699b687d78cd32559a
• https://git.kernel.org/stable/c/80dc47e751a837106c09bec73964ff8f7ea280b4
• https://git.kernel.org/stable/c/95412c932b3c9e8cc4431dac4fac8fcd80d54982
• https://git.kernel.org/stable/c/9d4a0aca8a75550d3456c8de339a341dc4536ec5
• https://git.kernel.org/stable/c/ba78f7c10606719f702c04a15fb0471507b32d7b
• https://git.kernel.org/stable/c/e88b89a096af0001bcff6bf7ad2feb1486487173

Get alerted when CVE-2022-50514 or the next vulnerability affects your stack