Memory Corruption in Linux Kernel dm-flakey Feature by Vendor Linux

CVE-2025-21966

What is CVE-2025-21966?

This vulnerability in the Linux kernel's dm-flakey feature arises from improper handling of parameters passed to the bio_init function. Specifically, it results in memory corruption, which can potentially lead to unpredictable behavior or crashes in systems utilizing this feature. The flaw underscores the need for rigorous parameter validation to ensure the integrity and stability of the kernel. Various releases of the kernel are affected, making it essential for users to apply updates and patches to safeguard their systems.

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