CVE-2025-70293

CriticalCVSS 9.8/10Last modified Sep 9, 2026

Description

An issue was discovered in Denx U-Boot before 2026.04. An integer overflow vulnerability exists in function ext4fs_get_bgdtable, the size calculation can lead to under allocation and this underallocated buffer will be used in memcpy() which could lead to arbitrary code execution, a denial of service, or other unspecified impacts.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122CWE-190

Affected software

No affected versions have been published.

Timeline

Published
Aug 26, 2026
Last modified
Sep 9, 2026
NVD status
Deferred

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CVE-2025-70293: Critical severity, CVSS 9.8 | Vulnix