如何从内核态跳跃到用户态？还能回来不？这个过程是不可逆的 init进程在内核态下面时，通过一个函数 kernel_execve 来执行一个用户空间编译连接的应用程序就跳跃到用户态了。注意这个跳跃过程中进程号是没有改变的，所以一直是进程1.这个跳跃过程是单向的 ...

Google on Monday released its February 2025 security patches, which address 48 vulnerabilities, including a critical zero-day vulnerability affecting the Android kernel that was being actively ...

The February 2025 Android security updates patch 48 vulnerabilities, including a zero-day kernel vulnerability that has been exploited in the wild. This high-severity zero-day (tracked as CVE-2024 ...