Use-After-Free Vulnerability in Linux Kernel Affecting MPC52xx SPI Controller

CVE-2026-46241

What is CVE-2026-46241?

A use-after-free vulnerability has been identified in the Linux kernel related to the MPC52xx SPI controller. This issue arises during device registration failures where interrupts aren't properly disabled and released, leading to potential resource leaks and unsafe access. The problem was revealed by a review of a controller deregistration fix, necessitating a thorough check to ensure proper cleanup during the registration process. System administrators should ensure they are using patched versions of the Linux kernel to mitigate this vulnerability.

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