Memory Consistency Issue in TEE EcDSA Algorithm Affects Unisoc Products
CVE-2025-31719

5.1MEDIUM

Key Information:

Vendor

Unisoc (shanghai) Technologies Co., Ltd.

Status
Sc7731e/sc9832e/sc9863a/t310/t606/t612/t616/t610/t618/t750/t765/t760/t770/t820/s8000/t8300/t9300
Vendor
CVE Published:
11 November 2025

What is CVE-2025-31719?

A potential memory consistency issue has been identified in the TEE EcDSA algorithm used by Unisoc. This vulnerability may result in the generation of incorrect digital signature outputs under certain conditions. While the probability of this occurring is low, it poses a risk requiring attention to ensure the integrity and reliability of digital signatures generated by affected systems.

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Affected Version(s)

SC7731E/SC9832E/SC9863A/T310/T606/T612/T616/T610/T618/T750/T765/T760/T770/T820/S8000/T8300/T9300 Android13/Android14/Android15/Android16

References

https://www.unisoc.com/en/support/announcement/1987692028...

CVSS V3.1

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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