A hasty fix led to the incomplete resolution of the Spectre vulnerability in the Linux kernel
Developers of the Grsecurity project shared an educational story demonstrating how careless removal of compiler warnings can lead to vulnerabilities in the code. At the end of May, a fix for a new exploitation vector of the Spectre vulnerability was proposed for the Linux kernel via the ptrace system call. During the patch testing, the developers noticed that the compiler emitted a warning about mixing code and definitions […]
