Use-after-free in grub - CVE-2025-61662

 

Use-after-free in grub - CVE-2025-61662

Published: November 21, 2025


Vulnerability identifier: #VU118665
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-61662
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows an attacker to perform a denial of service attack.

The vulnerability exists due to a use-after-free error within the grub_cmd_translate() function in grub-core/gettext/gettext.c. An attacker with physical access to the system can perform a denial of service attack. 


Affected software

grub
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
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
Basesystem Module
Server Applications Module
openSUSE Leap
openEuler
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
grub2-efi-ia32-cdboot
grub2-tools
grub2-pc
grub2-efi-x64-cdboot
grub2-efi-x64
grub2-tools-extra
grub2-efi-ia32
grub2
grub2-common
grub2-efi-ia32-modules
grub2-efi-x64-modules
grub2-pc-modules
grub2-tools-minimal
grub2 (Red Hat package)
grub2-efi-aa64-modules
grub2-efi-loongarch64-cdboot
grub2-efi-loongarch64
grub2-efi-aa64-cdboot
grub2-tools-efi
grub2-efi-aa64
grub2-x86_64-efi
grub2-debugsource
grub2-i386-pc
grub2-debuginfo
grub2-x86_64-xen
grub2-systemd-sleep-plugin
grub2-snapper-plugin
grub2-branding-upstream
grub2-s390x-emu-debug
grub2-i386-xen
grub2-powerpc-ieee1275-debug
grub2-x86_64-efi-debug
grub2-s390x-emu
grub2-i386-efi-debug
grub2-i386-pc-extras
grub2-i386-efi-extras
grub2-powerpc-ieee1275
grub2-i386-efi
grub2-powerpc-ieee1275-extras
grub2-x86_64-xen-extras
grub2-s390x-emu-extras
grub2-i386-pc-debug
grub2-arm64-efi-extras
grub2-i386-xen-extras
grub2-arm64-efi
grub2-x86_64-efi-extras
grub2-arm64-efi-debug
grub2-help
grub2-x86_64-xen-debug
grub2-i386-xen-debug
grub2-emu-modules
grub2-emu
grub2-doc
grub2-efi-loongarch64-modules
grub2-efi-riscv64-modules
grub2-efi-riscv64
grub2-efi-riscv64-cdboot
IBM Power Hardware Management Console (HMC)
Red Hat OpenShift Container Platform

How to mitigate CVE-2025-61662

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

IBM Power Hardware Management Console (HMC) - addressed in versions 10.3.1064.0, 11.1.1112.0
grub2-efi-ia32-cdboot - addressed in versions 2.02-0.87, 2.02-170.0.1, 2.12-17
grub2-tools - addressed in versions 2.02-0.87, 2.02-170.0.1, 2.12-17
grub2-pc - addressed in versions 2.02-0.87, 2.02-170.0.1, 2.12-17
grub2-efi-x64-cdboot - addressed in versions 2.02-0.87, 2.02-170.0.1, 2.12-17
grub2-efi-x64 - addressed in versions 2.02-0.87, 2.02-170.0.1, 2.12-17
grub2-tools-extra - addressed in versions 2.02-0.87, 2.02-170.0.1, 2.12-17
grub2-efi-ia32 - addressed in versions 2.02-0.87, 2.02-170.0.1, 2.12-17
grub2 - update to 2.02-0.87
grub2-common - addressed in versions 2.02-0.87, 2.02-170.0.1, 2.12-17
grub2-efi-ia32-modules - addressed in versions 2.02-0.87, 2.02-170.0.1, 2.12-17
grub2-efi-x64-modules - addressed in versions 2.02-0.87, 2.02-170.0.1, 2.12-17
grub2-pc-modules - addressed in versions 2.02-0.87, 2.02-170.0.1, 2.12-17
grub2-tools-minimal - addressed in versions 2.02-0.87, 2.02-170.0.1, 2.12-17
grub2 (Red Hat package) - addressed in versions 2.02-0.87.el7_9.16, 2.02-87.el8_2.14, 2.02-99.el8_4.13, 2.02-123.el8_6.19, 2.02-152.el8_8.3, 2.02-170.el8_10.1, 2.06-27.el9_0.23, 2.06-61.el9_2.11, 2.06-86.el9_4.4, 2.06-105.el9_6.1, 2.12-15.el10_0.2, 2.12-29.el10_1.2
grub2-efi-aa64-modules - addressed in versions 2.02-170.0.1, 2.12-17
grub2-efi-loongarch64-cdboot - addressed in versions 2.02-170.0.1, 2.12-17
grub2-efi-loongarch64 - addressed in versions 2.02-170.0.1, 2.12-17
grub2-efi-aa64-cdboot - addressed in versions 2.02-170.0.1, 2.12-17
grub2-tools-efi - addressed in versions 2.02-170.0.1, 2.12-17
grub2-efi-aa64 - addressed in versions 2.02-170.0.1, 2.12-17
grub2-x86_64-efi - addressed in versions 2.02-193.1, 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2, 2.12-150700.19.19.1
grub2-debugsource - addressed in versions 2.02-193.1, 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2, 2.12-150700.19.19.1
grub2 - addressed in versions 2.02-193.1, 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2, 2.12-150700.19.19.1
grub2-i386-pc - addressed in versions 2.02-193.1, 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2, 2.12-150700.19.19.1
grub2-debuginfo - addressed in versions 2.02-193.1, 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2, 2.12-150700.19.19.1
grub2-x86_64-xen - addressed in versions 2.02-193.1, 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2, 2.12-150700.19.19.1
grub2-systemd-sleep-plugin - addressed in versions 2.02-193.1, 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2, 2.12-150700.19.19.1
grub2-snapper-plugin - addressed in versions 2.02-193.1, 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2, 2.12-150700.19.19.1
grub2-branding-upstream - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-s390x-emu-debug - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-i386-xen - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-powerpc-ieee1275-debug - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-x86_64-efi-debug - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-s390x-emu - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2, 2.12-150700.19.19.1
grub2-i386-efi-debug - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-i386-pc-extras - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-i386-efi-extras - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-powerpc-ieee1275 - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2, 2.12-150700.19.19.1
grub2-i386-efi - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-powerpc-ieee1275-extras - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-x86_64-xen-extras - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-s390x-emu-extras - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-i386-pc-debug - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-arm64-efi-extras - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-i386-xen-extras - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-arm64-efi - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2, 2.12-150700.19.19.1
grub2-x86_64-efi-extras - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-arm64-efi-debug - addressed in versions 2.04-150300.22.61.1, 2.06-150400.11.66.1, 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-efi-ia32-modules - addressed in versions 2.06-53, 2.12-47
grub2 - addressed in versions 2.06-53, 2.12-47
grub2-efi-x64-cdboot - addressed in versions 2.06-53, 2.12-47
grub2-efi-x64 - addressed in versions 2.06-53, 2.12-47
grub2-efi-ia32-cdboot - addressed in versions 2.06-53, 2.12-47
grub2-efi-ia32 - addressed in versions 2.06-53, 2.12-47
grub2-pc-modules - addressed in versions 2.06-53, 2.12-47
grub2-help - addressed in versions 2.06-53, 2.12-47
grub2-efi-x64-modules - addressed in versions 2.06-53, 2.12-47
grub2-efi-aa64-modules - addressed in versions 2.06-53, 2.12-47
grub2-common - addressed in versions 2.06-53, 2.12-47
grub2-tools-minimal - addressed in versions 2.06-53, 2.12-47
grub2-tools-extra - addressed in versions 2.06-53, 2.12-47
grub2-tools - addressed in versions 2.06-53, 2.12-47
grub2-efi-aa64-cdboot - addressed in versions 2.06-53, 2.12-47
grub2-efi-aa64 - addressed in versions 2.06-53, 2.12-47
grub2-debugsource - addressed in versions 2.06-53, 2.12-47
grub2-debuginfo - addressed in versions 2.06-53, 2.12-47
grub2-tools-efi - addressed in versions 2.06-53, 2.12-47
grub2-pc - addressed in versions 2.06-53, 2.12-47
grub2-x86_64-xen-debug - addressed in versions 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-i386-xen-debug - addressed in versions 2.06-150500.29.59.1, 2.12-150600.8.44.2
grub2-emu-modules - update to 2.12-17
grub2-emu - update to 2.12-17
grub2-doc - update to 2.12-17
grub2-efi-loongarch64-modules - update to 2.12-17
grub2-efi-riscv64-modules - update to 2.12-17
grub2-efi-riscv64 - update to 2.12-17
grub2-efi-riscv64-cdboot - update to 2.12-17
Red Hat OpenShift Container Platform - addressed in versions 4.12.87, 4.13.65, 4.19.28

External References

Related Security Bulletins