https://cybercrime.club/tags/copy-fail/Infrastructure security news for people who build infrastructure.Hugo -- gohugo.ioen-usThu, 30 Apr 2026 23:08:41 -0400https://cybercrime.club/posts/copy-fail-cve-2026-31431-linux-kernel-page-cache-lpe/Thu, 30 Apr 2026 23:08:41 -0400https://cybercrime.club/posts/copy-fail-cve-2026-31431-linux-kernel-page-cache-lpe/A nine-year-old logic bug in the kernel's algif_aead crypto interface lets an unprivileged user plant four bytes anywhere in the page cache — including inside a setuid binary's cached pages. Root in seconds, no on-disk artifacts, breaks containers.vulnerabilities