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
Affected Vendors & Products
References
History
Wed, 02 Sep 2026 08:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Wed, 02 Sep 2026 07:00:00 +0000
| Type | Values Removed | Values Added |
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| Title | Integer Overflow in Denx U-Boot ext4fs_get_bgdtable Allows Arbitrary Code Execution |
Wed, 02 Sep 2026 00:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Integer Overflow in ext4fs_get_bgdtable Leading to Arbitrary Code Execution in Denx U‑Boot | |
| Weaknesses | CWE-787 |
Tue, 01 Sep 2026 22:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-122 | |
| Metrics |
cvssV3_1
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Wed, 26 Aug 2026 21:30:00 +0000
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| First Time appeared |
Denx
Denx u-boot |
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| Vendors & Products |
Denx
Denx u-boot |
Wed, 26 Aug 2026 21:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Integer Overflow in ext4fs_get_bgdtable Leading to Arbitrary Code Execution in Denx U‑Boot | |
| Weaknesses | CWE-190 CWE-787 |
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 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. | |
| References |
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Status: PUBLISHED
Assigner: mitre
Published: 2026-08-26T00:00:00.000Z
Updated: 2026-09-01T18:25:43.647Z
Reserved: 2026-01-09T00:00:00.000Z
Link: CVE-2025-70293
Updated: 2026-09-01T18:25:37.903Z
Status : Deferred
Published: 2026-08-26T20:16:59.697
Modified: 2026-09-09T16:04:24.933
Link: CVE-2025-70293
No data.