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Vulnerability DatabaseCVE-2025-21935
CVE-2025-21935:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2025-21935 is a vulnerability discovered in the Linux kernel, specifically in the RapidIO subsystem. The vulnerability was disclosed on April 1, 2025, and affects the rio_scan_alloc_net() function where the return value of rio_add_net() is not properly checked (NVD Database).
Technical details
The vulnerability exists in the Linux kernel's RapidIO subsystem where the rio_add_net() function's return value is not properly checked in rio_scan_alloc_net(). When the function fails, the system should call put_device() to free the memory and release the reference initialized in rio_add_net(), but this check was missing (NVD Database).
Impact
The vulnerability could potentially lead to memory leaks in the Linux kernel's RapidIO subsystem when rio_add_net() fails, as the allocated memory and references are not properly freed (NVD Database).
Mitigation and workarounds
The vulnerability has been addressed in various Linux distributions. For Debian's stable distribution (bookworm), the fix has been implemented in version 6.1.133-1 (Debian Security).
Additional resources
Source: This report was generated using AI
Related Linux Kernel vulnerabilities:
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