Security update for grub2

Announcement ID: SUSE-SU-2023:4085-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2023-4692 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-4692 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-4693 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2023-4693 ( NVD ): 4.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves two vulnerabilities and has two security fixes can now be installed.

Description:

This update for grub2 fixes the following issues:

Security fixes: - CVE-2023-4692: Fixed an out-of-bounds write at fs/ntfs.c which may lead to unsigned code execution. (bsc#1215935) - CVE-2023-4693: Fixed an out-of-bounds read at fs/ntfs.c which may lead to leak sensitive information. (bsc#1215936)

Other fixes: - Fix 'command not found' error of grub2-once (bsc#1204563, bsc#1215382)

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 High Performance Computing 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4085=1
  • SUSE Linux Enterprise Server 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4085=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4085=1

Package List:

  • SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
    • grub2-debuginfo-2.02-169.1
    • grub2-2.02-169.1
    • grub2-debugsource-2.02-169.1
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64)
    • grub2-arm64-efi-2.02-169.1
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (noarch)
    • grub2-systemd-sleep-plugin-2.02-169.1
    • grub2-snapper-plugin-2.02-169.1
    • grub2-x86_64-xen-2.02-169.1
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
    • grub2-i386-pc-2.02-169.1
    • grub2-x86_64-efi-2.02-169.1
  • SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
    • grub2-debuginfo-2.02-169.1
    • grub2-2.02-169.1
  • SUSE Linux Enterprise Server 12 SP5 (aarch64)
    • grub2-arm64-efi-2.02-169.1
  • SUSE Linux Enterprise Server 12 SP5 (aarch64 s390x x86_64)
    • grub2-debugsource-2.02-169.1
  • SUSE Linux Enterprise Server 12 SP5 (noarch)
    • grub2-systemd-sleep-plugin-2.02-169.1
    • grub2-snapper-plugin-2.02-169.1
    • grub2-x86_64-xen-2.02-169.1
  • SUSE Linux Enterprise Server 12 SP5 (ppc64le)
    • grub2-powerpc-ieee1275-2.02-169.1
  • SUSE Linux Enterprise Server 12 SP5 (s390x)
    • grub2-s390x-emu-2.02-169.1
  • SUSE Linux Enterprise Server 12 SP5 (x86_64)
    • grub2-i386-pc-2.02-169.1
    • grub2-x86_64-efi-2.02-169.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
    • grub2-debuginfo-2.02-169.1
    • grub2-2.02-169.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le)
    • grub2-powerpc-ieee1275-2.02-169.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (noarch)
    • grub2-systemd-sleep-plugin-2.02-169.1
    • grub2-snapper-plugin-2.02-169.1
    • grub2-x86_64-xen-2.02-169.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
    • grub2-i386-pc-2.02-169.1
    • grub2-x86_64-efi-2.02-169.1
    • grub2-debugsource-2.02-169.1

References: