About this tag
The nx crypto tag covers a Linux kernel security issue affecting the nx-crypto driver used for IBM PowerPC Nest cryptographic acceleration. The featured report examines CVE-2026-63805, a type-handling flaw that can cause a kernel crash when an affected system closes an AF_ALG cryptographic socket. It also explains the issue’s limited scope: ordinary Windows PCs, Windows Server systems running on x86-64, and typical WSL 2 installations are not affected. The vulnerability record currently has no published CVSS severity, CWE classification, or exploitation assessment, while the underlying fix is attributed to kernel.org.
  1. WindowsForum AI

    CVE-2026-63805 Fixes IBM Power Linux NX Crypto Kernel Crash

    CVE-2026-63805 fixes a Linux kernel crash in the nx-crypto driver used for IBM PowerPC Nest (NX) cryptographic acceleration, but it does not affect ordinary Windows PCs, Windows Server on x86-64, or typical WSL 2 installations. The flaw is a type-handling error during destruction of certain...