SUSE-SU-2021:0684-1

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Source
https://www.suse.com/support/update/announcement/2021/suse-su-20210684-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0684-1.json
JSON Data
https://api.osv.dev/v1/vulns/SUSE-SU-2021:0684-1
Related
Published
2021-03-02T18:05:46Z
Modified
2021-03-02T18:05:46Z
Summary
Security update for grub2
Details

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 grubusbdevice_initialize() (bsc#1177883)
  • CVE-2020-27749: Fixed a stack buffer overflow in grubparsersplit_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)
References

Affected packages

SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS / grub2

Package

Name
grub2
Purl
pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.02-26.43.1

Ecosystem specific 

{
    "binaries": [
        {
            "grub2-x86_64-efi": "2.02-26.43.1",
            "grub2-systemd-sleep-plugin": "2.02-26.43.1",
            "grub2-snapper-plugin": "2.02-26.43.1",
            "grub2-arm64-efi": "2.02-26.43.1",
            "grub2-x86_64-xen": "2.02-26.43.1",
            "grub2-i386-pc": "2.02-26.43.1",
            "grub2": "2.02-26.43.1"
        }
    ]
}

SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS / grub2

Package

Name
grub2
Purl
pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.02-26.43.1

Ecosystem specific 

{
    "binaries": [
        {
            "grub2-x86_64-efi": "2.02-26.43.1",
            "grub2-systemd-sleep-plugin": "2.02-26.43.1",
            "grub2-snapper-plugin": "2.02-26.43.1",
            "grub2-arm64-efi": "2.02-26.43.1",
            "grub2-x86_64-xen": "2.02-26.43.1",
            "grub2-i386-pc": "2.02-26.43.1",
            "grub2": "2.02-26.43.1"
        }
    ]
}

SUSE:Linux Enterprise Server 15 SP1-BCL / grub2

Package

Name
grub2
Purl
pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCL

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.02-26.43.1

Ecosystem specific 

{
    "binaries": [
        {
            "grub2": "2.02-26.43.1",
            "grub2-x86_64-efi": "2.02-26.43.1",
            "grub2-x86_64-xen": "2.02-26.43.1",
            "grub2-i386-pc": "2.02-26.43.1",
            "grub2-snapper-plugin": "2.02-26.43.1",
            "grub2-systemd-sleep-plugin": "2.02-26.43.1"
        }
    ]
}

SUSE:Linux Enterprise Server 15 SP1-LTSS / grub2

Package

Name
grub2
Purl
pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.02-26.43.1

Ecosystem specific 

{
    "binaries": [
        {
            "grub2-s390x-emu": "2.02-26.43.1",
            "grub2-x86_64-efi": "2.02-26.43.1",
            "grub2-systemd-sleep-plugin": "2.02-26.43.1",
            "grub2-snapper-plugin": "2.02-26.43.1",
            "grub2-arm64-efi": "2.02-26.43.1",
            "grub2-x86_64-xen": "2.02-26.43.1",
            "grub2-i386-pc": "2.02-26.43.1",
            "grub2": "2.02-26.43.1",
            "grub2-powerpc-ieee1275": "2.02-26.43.1"
        }
    ]
}

SUSE:Linux Enterprise Server for SAP Applications 15 SP1 / grub2

Package

Name
grub2
Purl
pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.02-26.43.1

Ecosystem specific 

{
    "binaries": [
        {
            "grub2-x86_64-efi": "2.02-26.43.1",
            "grub2-snapper-plugin": "2.02-26.43.1",
            "grub2-systemd-sleep-plugin": "2.02-26.43.1",
            "grub2-x86_64-xen": "2.02-26.43.1",
            "grub2-i386-pc": "2.02-26.43.1",
            "grub2": "2.02-26.43.1",
            "grub2-powerpc-ieee1275": "2.02-26.43.1"
        }
    ]
}

SUSE:Manager Proxy 4.0 / grub2

Package

Name
grub2
Purl
pkg:rpm/suse/grub2&distro=SUSE%20Manager%20Proxy%204.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.02-26.43.1

Ecosystem specific 

{
    "binaries": [
        {
            "grub2": "2.02-26.43.1",
            "grub2-x86_64-efi": "2.02-26.43.1",
            "grub2-x86_64-xen": "2.02-26.43.1",
            "grub2-i386-pc": "2.02-26.43.1",
            "grub2-snapper-plugin": "2.02-26.43.1",
            "grub2-systemd-sleep-plugin": "2.02-26.43.1"
        }
    ]
}

SUSE:Manager Retail Branch Server 4.0 / grub2

Package

Name
grub2
Purl
pkg:rpm/suse/grub2&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.02-26.43.1

Ecosystem specific 

{
    "binaries": [
        {
            "grub2": "2.02-26.43.1",
            "grub2-x86_64-efi": "2.02-26.43.1",
            "grub2-x86_64-xen": "2.02-26.43.1",
            "grub2-i386-pc": "2.02-26.43.1",
            "grub2-snapper-plugin": "2.02-26.43.1",
            "grub2-systemd-sleep-plugin": "2.02-26.43.1"
        }
    ]
}

SUSE:Manager Server 4.0 / grub2

Package

Name
grub2
Purl
pkg:rpm/suse/grub2&distro=SUSE%20Manager%20Server%204.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.02-26.43.1

Ecosystem specific 

{
    "binaries": [
        {
            "grub2-s390x-emu": "2.02-26.43.1",
            "grub2-x86_64-efi": "2.02-26.43.1",
            "grub2-systemd-sleep-plugin": "2.02-26.43.1",
            "grub2-snapper-plugin": "2.02-26.43.1",
            "grub2-x86_64-xen": "2.02-26.43.1",
            "grub2-i386-pc": "2.02-26.43.1",
            "grub2": "2.02-26.43.1",
            "grub2-powerpc-ieee1275": "2.02-26.43.1"
        }
    ]
}

SUSE:Enterprise Storage 6 / grub2

Package

Name
grub2
Purl
pkg:rpm/suse/grub2&distro=SUSE%20Enterprise%20Storage%206

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.02-26.43.1

Ecosystem specific 

{
    "binaries": [
        {
            "grub2-x86_64-efi": "2.02-26.43.1",
            "grub2-systemd-sleep-plugin": "2.02-26.43.1",
            "grub2-snapper-plugin": "2.02-26.43.1",
            "grub2-arm64-efi": "2.02-26.43.1",
            "grub2-x86_64-xen": "2.02-26.43.1",
            "grub2-i386-pc": "2.02-26.43.1",
            "grub2": "2.02-26.43.1"
        }
    ]
}