SUSE Security Update: Security update for shim
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:14490-1
Rating:             moderate
References:         #1168994 #1175626 #1175656 
Cross-References:   CVE-2020-10713
Affected Products:
                    SUSE Linux Enterprise Server 11-SP4-LTSS
______________________________________________________________________________

   An update that solves one vulnerability and has two fixes
   is now available.

Description:

   This update for shim fixes the following issues:

   Update to the unified shim binary from SUSE Linux Enterprise 15-SP1
   (bsc#1168994)

   This update addresses the "BootHole" security issue (master CVE
   CVE-2020-10713), by disallowing binaries signed by the previous SUSE UEFI
   signing key from booting.

   This update should only be installed after updates of grub2, the Linux
   kernel and (if used) Xen from or after July / August 2020 are applied.

   Also fixed:

   + shim-install: install MokManager to \EFI\boot to process the pending MOK
     request (bsc#1175626, bsc#1175656)


Patch Instructions:

   To install this SUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Server 11-SP4-LTSS:

      zypper in -t patch slessp4-shim-14490=1



Package List:

   - SUSE Linux Enterprise Server 11-SP4-LTSS (x86_64):

      shim-15+git47-12.5.1


References:

   https://www.suse.com/security/cve/CVE-2020-10713.html
   https://bugzilla.suse.com/1168994
   https://bugzilla.suse.com/1175626
   https://bugzilla.suse.com/1175656

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