Security update for grub2

Announcement ID: SUSE-SU-2020:14440-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-10713 ( SUSE ): 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
  • CVE-2020-10713 ( NVD ): 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
  • CVE-2020-14308 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-14308 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-14309 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
  • CVE-2020-14309 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-14310 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
  • CVE-2020-14310 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
  • CVE-2020-14311 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
  • CVE-2020-14311 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
  • CVE-2020-15706 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-15706 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-15707 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise Server 11 SP4
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4

An update that solves seven vulnerabilities can now be installed.

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)

  • Fix packed-not-aligned error on GCC 8 (bsc#1084632)

Patch Instructions:

To install this SUSE 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 11-SP4
    zypper in -t patch slessp4-grub2-14440=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-grub2-14440=1

Package List:

  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (x86_64)
    • grub2-x86_64-efi-2.00-0.66.15.1
    • grub2-x86_64-xen-2.00-0.66.15.1
  • SUSE Linux Enterprise Server 11 SP4 (x86_64)
    • grub2-x86_64-efi-2.00-0.66.15.1
    • grub2-x86_64-xen-2.00-0.66.15.1

References: