CVE-2025-70293

CRITICALCVSS 9.8/10EPSS 0.53%

Last modified

CVE-2025-70293 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

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

EPSS Probability
0.53%

43.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
——n/a

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-70293?
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.
How severe is CVE-2025-70293?
CVE-2025-70293 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2025-70293?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST