[lkml]   [2018]   [Apr]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [GIT PULL] Kernel lockdown for secure boot
On Wed, Apr 04, 2018 at 02:33:37PM +0100, David Howells wrote:
> Theodore Y. Ts'o <> wrote:
> > Whoa. Why doesn't lockdown prevent kexec? Put another away, why
> > isn't this a problem for people who are fearful that Linux could be
> > used as part of a Windows boot virus in a Secure UEFI context?
> Lockdown mode restricts kexec to booting an authorised image (where the
> authorisation may be by signature or by IMA).

If that's true, then Matthew's assertion that lockdown w/o secure boot
is insecure goes away, no?

- Ted

 \ /
  Last update: 2018-04-04 15:53    [W:0.165 / U:1.116 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site