Zack’s Kernel News
Kernel News
Chronicler Zack Brown reports on the latest news, views, dilemmas, and developments within the Linux kernel community.
make MODSIG=1
Mimi Zohar introduced a patch to support ephemeral module signing. The idea is that if you use a private key to sign modules, the kernel can use a public key to ensure that it only loads modules signed by you. Anyone trying to crack into your system by loading a hostile module would find the way blocked.
The problem is that if they do get a certain level of access to your system, they might locate your private key, sign their hostile module with it, and thus crack deeper into your system anyway.
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