Security update for grub2

Announcement ID: SUSE-SU-2020:14461-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-15705 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-15705 ( 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 one vulnerability can now be installed.

Description:

This update for grub2 fixes the following issues:

  • CVE-2020-15705: Fail kernel validation without shim protocol (bsc#1174421).

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-grub2-14461=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-grub2-14461=1

Package List:

  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (x86_64)
    • grub2-x86_64-xen-2.00-0.66.21.1
    • grub2-x86_64-efi-2.00-0.66.21.1
  • SUSE Linux Enterprise Server 11 SP4 (x86_64)
    • grub2-x86_64-xen-2.00-0.66.21.1
    • grub2-x86_64-efi-2.00-0.66.21.1

References: