Memory Access Vulnerability in AppArmor for Linux Kernel

CVE-2026-46254

What is CVE-2026-46254?

A vulnerability in AppArmor allows for the handling of unaligned data flow analysis (dfa) tables, potentially leading to unaligned memory accesses on different architectures. This issue stems from the fact that dfa tables can be sourced from either kernel or userspace, with 8-byte alignment not being consistently guaranteed. The unaligned access may result in warnings and could adversely affect system stability.

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