CONFIG_RETPOLINE: Avoid speculative indirect branches in kernel

General informations

The Linux kernel configuration item CONFIG_RETPOLINE:

• prompt: Avoid speculative indirect branches in kernel
• type: bool
• depends on: (none)
• defined in arch/x86/Kconfig
• found in Linux kernels: 4.15–4.20, 5.0–5.19, 6.0–6.8

Help text

Compile kernel with the retpoline compiler options to guard against kernel-to-user data leaks by avoiding speculative indirect branches. Requires a compiler with -mindirect-branch=thunk-extern support for full protection. The kernel may run slower.

Hardware

LKDDb

Raw data from LKDDb:

• (none)

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

Automatic links from Google (and ads)

Custom Search

Popular queries: