Out-of-bounds write in grub - CVE-2022-3775

 

Out-of-bounds write in grub - CVE-2022-3775

Published: November 16, 2022 / Updated: October 5, 2023


Vulnerability identifier: #VU69395
CSH Severity: Low
CVSS v4: 4.1 [CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-3775
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows an attacker to crash the system.

The vulnerability exists due to a boundary error when rendering certain unicode sequences in grub2 font code. An attacker with physical access to device can trigger an out-of-bounds write and perform a denial of service (DoS) attack.


Affected software

grub
Debian Linux
Amazon Linux AMI
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Module for SUSE Manager Proxy
SUSE Linux Enterprise Micro
openSUSE Leap Micro
SUSE Enterprise Storage
Oracle Linux
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Module for Server Applications
openSUSE Leap
openEuler
Ubuntu
Fedora
Dell EMC PowerProtect Data Protection
Dell Data Protection Central
EMC Cloud Tiering Appliance
Submariner
Red Hat Advanced Cluster Management for Kubernetes
IBM Watson Assistant for IBM Cloud Pak for Data
Red Hat Migration Toolkit for Applications
Dell Secure Connect Gateway
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
shim-signed (Ubuntu package)
grub-efi-amd64-signed (Ubuntu package)
grub-efi-arm64-signed (Ubuntu package)
grub2 (Red Hat package)
grub2
grub2-debuginfo
grub2-debugsource
grub2-i386-pc
grub2-x86_64-efi
grub2-x86_64-xen
grub2-systemd-sleep-plugin
grub2-snapper-plugin
grub2-s390x-emu
grub2-arm64-efi
grub2-powerpc-ieee1275
grub2-efi-ia32
grub2-tools-efi
grub2-efi-x64-cdboot
grub2-pc
grub2-efi-ia32-cdboot
grub2-efi-x64
grub2-efi-x64-modules
grub2-tools-minimal
grub2-efi-ia32-modules
grub2-pc-modules
grub2-efi-aa64-modules
grub2-efi-aa64
grub2-help
grub2-common
grub2-efi-aa64-cdboot
grub2-tools-extra
grub2-tools
grub2-x86_64-efi-debug
grub2-s390x-emu-debug
grub2-powerpc-ieee1275-debug
grub2-i386-pc-debug
grub2-arm64-efi-debug
grub2-branding-upstream
sys-boot/grub
grub-efi-arm64-bin (Ubuntu package)
grub-efi-arm64 (Ubuntu package)
grub-efi-amd64 (Ubuntu package)
grub-efi-amd64-bin (Ubuntu package)
grub2 (Debian package)
shim (Ubuntu package)
Dell EMC NetWorker vProxy
EMC ViPR SRM
Dell EMC Storage Monitoring and Reporting (SMR)
RecoverPoint for VMs
Dell EMC VxRail Appliance

How to mitigate CVE-2022-3775

Install update from vendor's website.

Submariner - update to 0.14.0
Red Hat Advanced Cluster Management for Kubernetes - update to 2.6.4
IBM Watson Assistant for IBM Cloud Pak for Data - update to 4.7.0
Red Hat Migration Toolkit for Applications - update to 6.0.1
shim-signed (Ubuntu package) - addressed in versions 1.40.9+15.7-0ubuntu1, 1.51.3+15.7-0ubuntu1
grub-efi-amd64-signed (Ubuntu package) - addressed in versions 1.187.3~20.04.1+2.06-2ubuntu14.1, 1.187.3~22.04.1+2.06-2ubuntu14.1
grub-efi-arm64-signed (Ubuntu package) - addressed in versions 1.187.3~20.04.1+2.06-2ubuntu14.1, 1.187.3~22.04.1+2.06-2ubuntu14.1
grub2 (Red Hat package) - addressed in versions 2.02-87.el8_1.11, 2.02-87.el8_2.11, 2.02-99.el8_4.10, 2.02-123.el8_6.12, 2.02-142.el8_7.1, 2.06-27.el9_0.12, 2.06-46.el9_1.3
grub2 - addressed in versions 2.02-115.72.1, 2.02-142.1, 2.02-153.1, 2.02-150000.122.17.1, 2.02-150100.123.17.1, 2.04-150200.9.68.1, 2.04-150300.3.8.1, 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-debuginfo - addressed in versions 2.02-115.72.1, 2.02-142.1, 2.02-153.1, 2.02-150000.122.17.1, 2.02-150100.123.17.1, 2.04-150200.9.68.1, 2.04-150300.3.8.1, 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-debugsource - addressed in versions 2.02-115.72.1, 2.02-142.1, 2.02-153.1, 2.02-150000.122.17.1, 2.02-150100.123.17.1, 2.04-150200.9.68.1, 2.04-150300.3.8.1, 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-i386-pc - addressed in versions 2.02-115.72.1, 2.02-142.1, 2.02-153.1, 2.02-150000.122.17.1, 2.02-150100.123.17.1, 2.04-150200.9.68.1, 2.04-150300.3.8.1, 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-x86_64-efi - addressed in versions 2.02-115.72.1, 2.02-142.1, 2.02-153.1, 2.02-150000.122.17.1, 2.02-150100.123.17.1, 2.04-150200.9.68.1, 2.04-150300.3.8.1, 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-x86_64-xen - addressed in versions 2.02-115.72.1, 2.02-142.1, 2.02-153.1, 2.02-150000.122.17.1, 2.02-150100.123.17.1, 2.04-150200.9.68.1, 2.04-150300.3.8.1, 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-systemd-sleep-plugin - addressed in versions 2.02-115.72.1, 2.02-142.1, 2.02-153.1, 2.02-150000.122.17.1, 2.02-150100.123.17.1, 2.04-150200.9.68.1, 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-snapper-plugin - addressed in versions 2.02-115.72.1, 2.02-142.1, 2.02-153.1, 2.02-150000.122.17.1, 2.02-150100.123.17.1, 2.04-150200.9.68.1, 2.04-150300.3.8.1, 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-s390x-emu - addressed in versions 2.02-153.1, 2.02-150000.122.17.1, 2.02-150100.123.17.1, 2.04-150200.9.68.1, 2.04-150300.3.8.1, 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-arm64-efi - addressed in versions 2.02-153.1, 2.02-150000.122.17.1, 2.02-150100.123.17.1, 2.04-150200.9.68.1, 2.04-150300.3.8.1, 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-powerpc-ieee1275 - addressed in versions 2.02-153.1, 2.02-150000.122.17.1, 2.02-150100.123.17.1, 2.04-150200.9.68.1, 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-efi-ia32 - update to 2.04-26
grub2-tools-efi - update to 2.04-26
grub2-efi-x64-cdboot - update to 2.04-26
grub2-pc - update to 2.04-26
grub2-efi-ia32-cdboot - update to 2.04-26
grub2-debuginfo - update to 2.04-26
grub2-efi-x64 - update to 2.04-26
grub2-efi-x64-modules - update to 2.04-26
grub2-tools-minimal - update to 2.04-26
grub2-efi-ia32-modules - update to 2.04-26
grub2-pc-modules - update to 2.04-26
grub2-efi-aa64-modules - update to 2.04-26
grub2-debugsource - update to 2.04-26
grub2 - update to 2.04-26
grub2-efi-aa64 - update to 2.04-26
grub2-help - update to 2.04-26
grub2-common - update to 2.04-26
grub2-efi-aa64-cdboot - update to 2.04-26
grub2-tools-extra - update to 2.04-26
grub2-tools - update to 2.04-26
grub2-x86_64-efi-debug - addressed in versions 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-s390x-emu-debug - addressed in versions 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-powerpc-ieee1275-debug - addressed in versions 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-i386-pc-debug - addressed in versions 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-arm64-efi-debug - addressed in versions 2.04-150300.22.25.1, 2.06-150400.11.17.1
grub2-branding-upstream - addressed in versions 2.04-150300.22.25.1, 2.06-150400.11.17.1
sys-boot/grub - update to 2.06-r9
grub-efi-arm64-bin (Ubuntu package) - update to 2.06-2ubuntu14.1
grub-efi-arm64 (Ubuntu package) - update to 2.06-2ubuntu14.1
grub-efi-amd64 (Ubuntu package) - update to 2.06-2ubuntu14.1
grub-efi-amd64-bin (Ubuntu package) - update to 2.06-2ubuntu14.1
grub2 (Debian package) - update to 2.06-3~deb11u4
grub2 - addressed in versions 2.06-12.fc35, 2.06-13.fc35, 2.06-14.fc35, 2.06-55.fc36, 2.06-56.fc36, 2.06-57.fc36, 2.06-63.fc37
grub2 - update to 2.06-61
Dell EMC NetWorker vProxy - update to 4.3.0-40
EMC ViPR SRM - update to 4.9.0.0
Dell EMC Storage Monitoring and Reporting (SMR) - update to 4.9.0.0
Dell Secure Connect Gateway - update to 5.14.00.16
RecoverPoint for VMs - update to 6.0.SP1.P1
Dell EMC VxRail Appliance - update to 7.0.411
EMC Cloud Tiering Appliance - update to 13.1.0.2.29
shim (Ubuntu package) - update to 15.7-0ubuntu1

External References

Related Security Bulletins