CVE-2025-40193

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> xtensa: simdisk: add input size check in proc_write_simdisk<br /> <br /> A malicious user could pass an arbitrarily bad value<br /> to memdup_user_nul(), potentially causing kernel crash.<br /> <br /> This follows the same pattern as commit ee76746387f6<br /> ("netdevsim: prevent bad user input in nsim_dev_health_break_write()")