An issue was discovered in Denx U-Boot before 2026.04. An integer overflow vulnerability in the ZFS filesystem support can be triggered by malformed on-disk metadata. The issue may result in incorrect memory allocation followed by out-of-bounds memory access, potentially leading to a crash or arbitrary code execution during the boot process.
History

Wed, 26 Aug 2026 21:15:00 +0000

Type Values Removed Values Added
Title Integer Overflow in Denx U‑Boot ZFS Support Enables Boot‑time Arbitrary Code Execution
Weaknesses CWE-119
CWE-190

Wed, 26 Aug 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared U-boot
U-boot u-boot
Vendors & Products U-boot
U-boot u-boot

Wed, 26 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Description An issue was discovered in Denx U-Boot before 2026.04. An integer overflow vulnerability in the ZFS filesystem support can be triggered by malformed on-disk metadata. The issue may result in incorrect memory allocation followed by out-of-bounds memory access, potentially leading to a crash or arbitrary code execution during the boot process.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-27T19:10:50.219Z

Reserved: 2026-01-09T00:00:00.000Z

Link: CVE-2025-70290

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-26T20:16:59.550

Modified: 2026-08-26T20:16:59.550

Link: CVE-2025-70290

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-26T21:00:12Z