openSUSE Security Update: Security update for grub2
______________________________________________________________________________

Announcement ID:    openSUSE-SU-2020:1169-1
Rating:             important
References:         #1168994 #1173812 #1174463 #1174570 
Cross-References:   CVE-2020-10713 CVE-2020-14308 CVE-2020-14309
                    CVE-2020-14310 CVE-2020-14311 CVE-2020-15706
                    CVE-2020-15707
Affected Products:
                    openSUSE Leap 15.2
______________________________________________________________________________

   An update that fixes 7 vulnerabilities is now available.

Description:

   This update for grub2 fixes the following issues:

   - Fix for CVE-2020-10713 (bsc#1168994)
   - Fix for CVE-2020-14308 CVE-2020-14309, CVE-2020-14310, CVE-2020-14311
     (bsc#1173812)
   - Fix for CVE-2020-15706 (bsc#1174463)
   - Fix for CVE-2020-15707 (bsc#1174570)

   - Use overflow checking primitives where the arithmetic expression for
     buffer
   - Use grub_calloc for overflow check and return NULL when it would occur

   This update was imported from the SUSE:SLE-15-SP2:Update update project.


Patch Instructions:

   To install this openSUSE 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:

   - openSUSE Leap 15.2:

      zypper in -t patch openSUSE-2020-1169=1



Package List:

   - openSUSE Leap 15.2 (i586 x86_64):

      grub2-2.04-lp152.7.3.4
      grub2-branding-upstream-2.04-lp152.7.3.4
      grub2-debuginfo-2.04-lp152.7.3.4
      grub2-debugsource-2.04-lp152.7.3.4

   - openSUSE Leap 15.2 (noarch):

      grub2-i386-efi-2.04-lp152.7.3.4
      grub2-i386-efi-debug-2.04-lp152.7.3.4
      grub2-i386-pc-2.04-lp152.7.3.4
      grub2-i386-pc-debug-2.04-lp152.7.3.4
      grub2-i386-xen-2.04-lp152.7.3.4
      grub2-snapper-plugin-2.04-lp152.7.3.4
      grub2-systemd-sleep-plugin-2.04-lp152.7.3.4
      grub2-x86_64-efi-2.04-lp152.7.3.4
      grub2-x86_64-efi-debug-2.04-lp152.7.3.4
      grub2-x86_64-xen-2.04-lp152.7.3.4


References:

   https://www.suse.com/security/cve/CVE-2020-10713.html
   https://www.suse.com/security/cve/CVE-2020-14308.html
   https://www.suse.com/security/cve/CVE-2020-14309.html
   https://www.suse.com/security/cve/CVE-2020-14310.html
   https://www.suse.com/security/cve/CVE-2020-14311.html
   https://www.suse.com/security/cve/CVE-2020-15706.html
   https://www.suse.com/security/cve/CVE-2020-15707.html
   https://bugzilla.suse.com/1168994
   https://bugzilla.suse.com/1173812
   https://bugzilla.suse.com/1174463
   https://bugzilla.suse.com/1174570

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