Security update for grub2
Announcement ID: | SUSE-SU-2021:0681-1 |
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Rating: | important |
References: | |
Cross-References: | |
CVSS scores: |
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Affected Products: |
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An update that solves seven vulnerabilities and has one security fix can now be installed.
Description:
This update for grub2 fixes the following issues:
grub2 now implements the new "SBAT" method for SHIM based secure boot revocation. (bsc#1182057)
Following security issues are fixed that can violate secure boot constraints:
- CVE-2020-25632: Fixed a use-after-free in rmmod command (bsc#1176711)
- CVE-2020-25647: Fixed an out-of-bound write in grub_usb_device_initialize() (bsc#1177883)
- CVE-2020-27749: Fixed a stack buffer overflow in grub_parser_split_cmdline (bsc#1179264)
- CVE-2020-27779, CVE-2020-14372: Disallow cutmem and acpi commands in secure boot mode (bsc#1179265 bsc#1175970)
- CVE-2021-20225: Fixed a heap out-of-bounds write in short form option parser (bsc#1182262)
- CVE-2021-20233: Fixed a heap out-of-bound write due to mis-calculation of space required for quoting (bsc#1182263)
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 OpenStack Cloud 9
zypper in -t patch SUSE-OpenStack-Cloud-9-2021-681=1
-
SUSE OpenStack Cloud Crowbar 9
zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-681=1
-
SUSE Linux Enterprise Server for SAP Applications 12 SP4
zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-681=1
-
SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4
zypper in -t patch SUSE-SLE-SERVER-12-SP4-ESPOS-2021-681=1
-
SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4
zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-681=1
-
SUSE Linux Enterprise High Performance Computing 12 SP5
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-681=1
-
SUSE Linux Enterprise Server 12 SP5
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-681=1
-
SUSE Linux Enterprise Server for SAP Applications 12 SP5
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-681=1
Package List:
-
SUSE OpenStack Cloud 9 (x86_64)
- grub2-debugsource-2.02-12.47.1
- grub2-i386-pc-2.02-12.47.1
- grub2-2.02-12.47.1
- grub2-debuginfo-2.02-12.47.1
- grub2-x86_64-efi-2.02-12.47.1
-
SUSE OpenStack Cloud 9 (noarch)
- grub2-snapper-plugin-2.02-12.47.1
- grub2-x86_64-xen-2.02-12.47.1
- grub2-systemd-sleep-plugin-2.02-12.47.1
-
SUSE OpenStack Cloud Crowbar 9 (x86_64)
- grub2-debugsource-2.02-12.47.1
- grub2-i386-pc-2.02-12.47.1
- grub2-2.02-12.47.1
- grub2-debuginfo-2.02-12.47.1
- grub2-x86_64-efi-2.02-12.47.1
-
SUSE OpenStack Cloud Crowbar 9 (noarch)
- grub2-snapper-plugin-2.02-12.47.1
- grub2-x86_64-xen-2.02-12.47.1
- grub2-systemd-sleep-plugin-2.02-12.47.1
-
SUSE Linux Enterprise Server for SAP Applications 12 SP4 (ppc64le x86_64)
- grub2-debuginfo-2.02-12.47.1
- grub2-2.02-12.47.1
-
SUSE Linux Enterprise Server for SAP Applications 12 SP4 (ppc64le)
- grub2-powerpc-ieee1275-2.02-12.47.1
-
SUSE Linux Enterprise Server for SAP Applications 12 SP4 (noarch)
- grub2-snapper-plugin-2.02-12.47.1
- grub2-x86_64-xen-2.02-12.47.1
- grub2-systemd-sleep-plugin-2.02-12.47.1
-
SUSE Linux Enterprise Server for SAP Applications 12 SP4 (x86_64)
- grub2-debugsource-2.02-12.47.1
- grub2-i386-pc-2.02-12.47.1
- grub2-x86_64-efi-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (aarch64 x86_64)
- grub2-debugsource-2.02-12.47.1
- grub2-debuginfo-2.02-12.47.1
- grub2-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (aarch64)
- grub2-arm64-efi-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (noarch)
- grub2-snapper-plugin-2.02-12.47.1
- grub2-x86_64-xen-2.02-12.47.1
- grub2-systemd-sleep-plugin-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (x86_64)
- grub2-i386-pc-2.02-12.47.1
- grub2-x86_64-efi-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (aarch64 ppc64le s390x x86_64)
- grub2-debuginfo-2.02-12.47.1
- grub2-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (aarch64)
- grub2-arm64-efi-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (aarch64 s390x x86_64)
- grub2-debugsource-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (noarch)
- grub2-snapper-plugin-2.02-12.47.1
- grub2-x86_64-xen-2.02-12.47.1
- grub2-systemd-sleep-plugin-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (ppc64le)
- grub2-powerpc-ieee1275-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (s390x)
- grub2-s390x-emu-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (x86_64)
- grub2-i386-pc-2.02-12.47.1
- grub2-x86_64-efi-2.02-12.47.1
-
SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
- grub2-debugsource-2.02-12.47.1
- grub2-debuginfo-2.02-12.47.1
- grub2-2.02-12.47.1
-
SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64)
- grub2-arm64-efi-2.02-12.47.1
-
SUSE Linux Enterprise High Performance Computing 12 SP5 (noarch)
- grub2-snapper-plugin-2.02-12.47.1
- grub2-x86_64-xen-2.02-12.47.1
- grub2-systemd-sleep-plugin-2.02-12.47.1
-
SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
- grub2-i386-pc-2.02-12.47.1
- grub2-x86_64-efi-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
- grub2-debuginfo-2.02-12.47.1
- grub2-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP5 (aarch64)
- grub2-arm64-efi-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP5 (aarch64 s390x x86_64)
- grub2-debugsource-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP5 (noarch)
- grub2-snapper-plugin-2.02-12.47.1
- grub2-x86_64-xen-2.02-12.47.1
- grub2-systemd-sleep-plugin-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP5 (ppc64le)
- grub2-powerpc-ieee1275-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP5 (s390x)
- grub2-s390x-emu-2.02-12.47.1
-
SUSE Linux Enterprise Server 12 SP5 (x86_64)
- grub2-i386-pc-2.02-12.47.1
- grub2-x86_64-efi-2.02-12.47.1
-
SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
- grub2-debuginfo-2.02-12.47.1
- grub2-2.02-12.47.1
-
SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le)
- grub2-powerpc-ieee1275-2.02-12.47.1
-
SUSE Linux Enterprise Server for SAP Applications 12 SP5 (noarch)
- grub2-snapper-plugin-2.02-12.47.1
- grub2-x86_64-xen-2.02-12.47.1
- grub2-systemd-sleep-plugin-2.02-12.47.1
-
SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
- grub2-debugsource-2.02-12.47.1
- grub2-i386-pc-2.02-12.47.1
- grub2-x86_64-efi-2.02-12.47.1
References:
- https://www.suse.com/security/cve/CVE-2020-14372.html
- https://www.suse.com/security/cve/CVE-2020-25632.html
- https://www.suse.com/security/cve/CVE-2020-25647.html
- https://www.suse.com/security/cve/CVE-2020-27749.html
- https://www.suse.com/security/cve/CVE-2020-27779.html
- https://www.suse.com/security/cve/CVE-2021-20225.html
- https://www.suse.com/security/cve/CVE-2021-20233.html
- https://bugzilla.suse.com/show_bug.cgi?id=1175970
- https://bugzilla.suse.com/show_bug.cgi?id=1176711
- https://bugzilla.suse.com/show_bug.cgi?id=1177883
- https://bugzilla.suse.com/show_bug.cgi?id=1179264
- https://bugzilla.suse.com/show_bug.cgi?id=1179265
- https://bugzilla.suse.com/show_bug.cgi?id=1182057
- https://bugzilla.suse.com/show_bug.cgi?id=1182262
- https://bugzilla.suse.com/show_bug.cgi?id=1182263