David Kaplan 1caa1b0509 Documentation/x86: Document new attack vector controls
Document the 5 new attack vector command line options, how they
interact with existing vulnerability controls, and recommendations on when
they can be disabled.

Note that while mitigating against untrusted userspace requires both
user-to-kernel and user-to-user protection, these are kept separate.  The
kernel can control what code executes inside of it and that may affect the
risk associated with vulnerabilities especially if new kernel mitigations
are implemented.  The same isn't typically true of userspace.

In other words, the risk associated with user-to-user or guest-to-guest
attacks is unlikely to change over time.  While the risk associated with
user-to-kernel or guest-to-host attacks may change.  Therefore, these
controls are separated.

Signed-off-by: David Kaplan <david.kaplan@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/20250709155731.3279419-1-david.kaplan@amd.com
2025-07-11 17:51:43 +02:00
2025-06-11 11:57:14 -07:00
2022-09-28 09:02:20 +02:00
2025-02-19 14:53:27 -07:00
2025-06-15 13:49:41 -07:00
2024-03-18 03:36:32 -06:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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