Security update for grub2

SUSE Security Update: Security update for grub2
Announcement ID: SUSE-SU-2015:2399-1
Rating: important
References: #928131 #943380 #946148 #952539 #956631
Affected Products:
  • SUSE Linux Enterprise Server 12
  • SUSE Linux Enterprise Desktop 12

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

    Description:

    This update for grub2 provides the following fixes and enhancements:

    Security issue fixed:
    - Fix buffer overflows when reading username and password. (bsc#956631,
    CVE-2015-8370)

    Non security issues fixed:
    - Expand list of grub.cfg search path in PV Xen guests for systems
    installed
    on btrfs snapshots. (bsc#946148, bsc#952539)
    - Add --image switch to force zipl update to specific kernel. (bsc#928131)
    - Do not use shim lock protocol for reading PE header as it won't be
    available when secure boot is disabled. (bsc#943380)
    - Make firmware flaw condition be more precisely detected and add debug
    message for the case.

    Patch Instructions:

    To install this SUSE Security Update use YaST online_update.
    Alternatively you can run the command listed for your product:

    • SUSE Linux Enterprise Server 12:
      zypper in -t patch SUSE-SLE-SERVER-12-2015-1032=1
    • SUSE Linux Enterprise Desktop 12:
      zypper in -t patch SUSE-SLE-DESKTOP-12-2015-1032=1

    To bring your system up-to-date, use "zypper patch".

    Package List:

    • SUSE Linux Enterprise Server 12 (ppc64le s390x x86_64):
      • grub2-2.02~beta2-56.9.4
      • grub2-debuginfo-2.02~beta2-56.9.4
    • SUSE Linux Enterprise Server 12 (ppc64le):
      • grub2-powerpc-ieee1275-2.02~beta2-56.9.4
    • SUSE Linux Enterprise Server 12 (x86_64):
      • grub2-i386-pc-2.02~beta2-56.9.4
      • grub2-x86_64-efi-2.02~beta2-56.9.4
      • grub2-x86_64-xen-2.02~beta2-56.9.4
    • SUSE Linux Enterprise Server 12 (noarch):
      • grub2-snapper-plugin-2.02~beta2-56.9.4
    • SUSE Linux Enterprise Server 12 (s390x):
      • grub2-debugsource-2.02~beta2-56.9.4
      • grub2-s390x-emu-2.02~beta2-56.9.4
    • SUSE Linux Enterprise Desktop 12 (x86_64):
      • grub2-2.02~beta2-56.9.4
      • grub2-debuginfo-2.02~beta2-56.9.4
      • grub2-i386-pc-2.02~beta2-56.9.4
      • grub2-x86_64-efi-2.02~beta2-56.9.4
      • grub2-x86_64-xen-2.02~beta2-56.9.4
    • SUSE Linux Enterprise Desktop 12 (noarch):
      • grub2-snapper-plugin-2.02~beta2-56.9.4

    References: