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.
Metrics
Affected Vendors & Products
References
History
Fri, 28 Aug 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Fri, 28 Aug 2026 18:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Denx U‑Boot ZFS Filesystem Integer Overflow leading to Arbitrary Code Execution during Boot |
Fri, 28 Aug 2026 07:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Integer Overflow in Denx U‑Boot ZFS Support Enables Boot‑time Arbitrary Code Execution | |
| Weaknesses | CWE-119 |
Thu, 27 Aug 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-787 | |
| Metrics |
cvssV3_1
|
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 |
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| 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 |
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Status: PUBLISHED
Assigner: mitre
Published: 2026-08-26T00:00:00.000Z
Updated: 2026-08-27T19:10:50.219Z
Reserved: 2026-01-09T00:00:00.000Z
Link: CVE-2025-70290
Updated: 2026-08-27T19:10:40.937Z
Status : Deferred
Published: 2026-08-26T20:16:59.550
Modified: 2026-09-09T16:04:24.933
Link: CVE-2025-70290
No data.