grub2/docs
Javier Martinez Canillas d298b41f90 mmap: Don't register cutmem and badram commands when lockdown is enforced
The cutmem and badram commands can be used to remove EFI memory regions
and potentially disable the UEFI Secure Boot. Prevent the commands to be
registered if the GRUB is locked down.

Fixes: CVE-2020-27779

Reported-by: Teddy Reed <teddy.reed@gmail.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2021-03-02 15:54:15 +01:00
..
man Implement syslinux parser. 2013-12-18 05:28:05 +01:00
autoiso.cfg * docs/autoiso.cfg: New file. 2013-10-27 20:34:24 +01:00
fdl.texi 2008-03-01 Yoshinori K. Okuji <okuji@enbug.org> 2008-03-01 17:27:51 +00:00
font_char_metrics.png GRUB developper manual based on existing Internals section and 2011-04-03 15:30:28 +02:00
font_char_metrics.txt GRUB developper manual based on existing Internals section and 2011-04-03 15:30:28 +02:00
grub-dev.texi kern: Add lockdown support 2021-03-02 15:54:15 +01:00
grub.cfg * docs/grub.cfg: Update. 2012-05-04 00:30:15 +02:00
grub.texi mmap: Don't register cutmem and badram commands when lockdown is enforced 2021-03-02 15:54:15 +01:00
Makefile.am Fix make dist. 2012-02-28 12:58:57 +01:00
mdate-sh 2008-03-01 Yoshinori K. Okuji <okuji@enbug.org> 2008-03-01 17:27:51 +00:00
osdetect.cfg * docs/osdetect.cfg: Add isolinux config to detected OSes. 2013-12-18 05:34:17 +01:00
texinfo.tex remove all trailing whitespace 2009-06-10 21:04:23 +00:00