USN-8884-1: U-Boot vulnerabilities
Ubuntu patches U-Boot flaws where crafted ZFS or ext4 metadata can cause code execution or denial of service.
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CVE-2025-70290
- CVSS 3.1
- 9.8 critical
- EPSS
- <1%p39
- Published
- ·
- Modified
Description · NVD
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.
- Weakness
- CWE-190, CWE-787
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H