crypto driver bug

The crypto driver bug tag covers reporting on a Linux kernel vulnerability in the AMD CCP crypto driver. CVE-2026-53016 affects AF_ALG RFC3686 CTR-AES operations, where an AES completion path may copy a 16-byte initialization vector into an 8-byte caller-provided buffer. The issue is a local kernel memory-handling flaw rather than a remote attack, but it highlights the security importance of code used for hardware-accelerated cryptographic operations. This archive is focused on the technical details of the IV overrun, its kernel context, the affected crypto path, and why seemingly small buffer-length errors can create meaningful risks at an operating system privilege boundary.