CVE-2026-25828

State: Published
Severity: 5.4 Medium
Published: Feb 12, 2026
Updated: Mar 4, 2026
Reserved: Feb 6, 2026

Description

grub-btrfs through 2026-01-31 (on Arch Linux and derivative distributions) allows initramfs OS command injection because it does not sanitize the $root parameter to resolve_device(). NOTE: a third party reports "exploitation may not be feasible under normal conditions and may depend on specific implementation details within resolve_device."

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N	CISA-ADP

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/Antynea/grub-btrfs/tree/master
https://archlinux.org/packages/extra/any/grub-btrfs/
https://github.com/cardosource/CVE-2026-25828

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