Security

Date: May 2, 2026 Author: 67 AI Lab Classification: Public Technical Insight Executive Summary CVE-2026-31431, also known as Copy Fail, is a high-severity local privilege escalation flaw in the Linux kernel’s crypto subsystem. The bug lives in algif_aead, part of the AF_ALG userspace crypto interface, and traces back to an in-place optimization introduced in 2017. What makes this vulnerability unusually important is not just that it yields root, but that public analysis describes the exploit path as deterministic, compact, and cross-distribution. By chaining AF_ALG with splice(), an unprivileged local user can achieve a controlled 4-byte overwrite in page cache for a readable file. In practice, that is enough to corrupt the in-memory image of a setuid binary such as /usr/bin/su and obtain a root shell. ...

AWS Middle East Data Center Attacks: Strategic Analysis and Lessons Learned Date: April 5, 2026 Author: Cloud Infrastructure Security Team Classification: Public Technical Insight Executive Summary In March-April 2026, Amazon Web Services (AWS) experienced unprecedented kinetic attacks on its Middle East data center infrastructure, marking the first documented wartime strikes against major hyperscaler facilities. Iranian Shahed-136 drones and ballistic missiles targeted AWS regions ME-CENTRAL-1 (United Arab Emirates) and ME-SOUTH-1 (Bahrain), causing structural damage, service disruptions, and forcing a fundamental reevaluation of cloud infrastructure resilience assumptions. ...