security things in Linux v4.15

Previously: v4.14. Linux kernel v4.15 was released last week, and there’s a bunch of security things I think are interesting: Kernel Page Table Isolation PTI has already gotten plenty of reporting, but to summarize, it is mainly to protect against CPU cache timing side-channel attacks that can expose kernel memory contents to userspace (CVE-2017-5754, the … Continue reading security things in Linux v4.15