linux

Pluggable Authentication Modules (PAM)

Pluggable Authentication Modules is the Linux and Unix framework that lets programs such as su, sudo and sshd hand authentication decisions to configurable modules, defined in files under /etc/pam.d.

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What Is a Linux Page Cache Attack? How Fragnesia Works

A Linux page cache attack changes the in-memory copy of a read-only file to gain root. Learn how Fragnesia does it and why disk checks miss it.

beginner 5 min read

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