What’s Vulnerable › Vulnerabilities

CVE-2024-50056: usb: gadget: uvc: Fix ERR_PTR dereference in uvc_v4l2.c

• 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: 2024-10-21 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Fix ERR_PTR dereference in uvc_v4l2.c Fix potential dereferencing of ERR_PTR() in find_format_by_pix() and uvc_v4l2_enum_format(). Fix the following smatch errors: drivers/usb/gadget/function/uvc_v4l2.c:124 find_format_by_pix() error: 'fmtdesc' dereferencing possible ERR_PTR() drivers/usb/gadget/function/uvc_v4l2.c:392 uvc_v4l2_enum_format() error: 'fmtdesc' dereferencing possible ERR_PTR() Also, fix similar issue in uvc_v4l2_try_format() for potential dereferencing of ERR_PTR().

Affected products

• Linux kernel: from 6.11 before 6.11.4 — fixed in 6.11.4

How to fix

Upgrade to a fixed version: Linux kernel 6.11.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/03fa71e97e9bb116993ec1d51b8a6fe776db0984
• https://git.kernel.org/stable/c/72a68d2bede3284b95ee93a5ab3a81758bba95b0
• https://git.kernel.org/stable/c/a7bb96b18864225a694e3887ac2733159489e4b0
• https://git.kernel.org/stable/c/cedeb36c3ff4acd0f3d09918dfd8ed1df05efdd6
• https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

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