Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2025-22028
CVE-2025-22028:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2025-22028 is a vulnerability discovered in the Linux kernel affecting the media subsystem, specifically the Virtual Media Controller Driver (VIMC). The issue was initially reported by Syzbot and disclosed on April 16, 2025. The vulnerability relates to improper handling of .s_stream() operations for unstarted or stopped subdevices in the VIMC driver (NVD CVE).
Technical details
The vulnerability stems from a warning condition in the callsstream() function at drivers/media/v4l2-core/v4l2-subdev.c line 460, where the function attempts to perform .sstream() operations on subdevices that haven't been properly started. The issue manifests in the vimcstreamerpipelineterminate() function. According to Red Hat's assessment, this vulnerability has been assigned a CVSS v3 Base Score of 5.5, indicating moderate severity (Red Hat CVE).
Impact
The vulnerability's impact is primarily related to system stability and availability. When triggered, it can cause system warnings and potential instability in the media subsystem of affected Linux kernels. The CVSS metrics indicate that while the vulnerability requires local access and low privileges, it can potentially lead to high availability impact (Red Hat CVE).
Mitigation and workarounds
A fix has been implemented in the Linux kernel that ensures entities skip the call to .s_stream() unless they have been previously properly started. The fix is included in kernel version 6.12.25-1 and later. Systems running earlier versions should upgrade to the patched version (Debian Tracker).
Additional resources
Source: This report was generated using AI
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