#Af_alg

On April 29, 2026, Theori researcher Taeyang Lee disclosed **CVE-2026-31431 "Copy Fail"** — on the surface another Linux kernel LPE (CVSS 7.8), but in

joshuark shares a report from Linux Magazine: Microsoft has issued a warning that a vulnerability with a CVSS score of 7.8 has been found in the Linux kernel.…

A critical kernel privilege escalation that leaves no trace on disk — and how it works It started...

From Dev RSS Feed: 732 Bytes to Root: How Copy Fail (CVE-2026-31431) Silently Pwns Every Linux Box Since 2017

Copy Fail is the recent Linux kernel issue involving `AF_ALG`, the kernel crypto socket interface, and page-cache-backed file data. The short version: it is kernel attack surface reachable through a syscall path, not an application dependency inside an…