CVE-2025-20937: Medium severity Keymaster Keymaster trustlet vulnerability
Published May 7, 2025
·Updated
Out-of-bounds write in Keymaster trustlet prior to SMR May-2025 Release 1 allows local privileged attackers to write out-of-bounds memory.
Affected Software
90 affected components
Keymaster Keymaster trustlet<SMR May-2025 Release 1
Samsung android=13.0
Samsung android=13.0-smr-apr-2022-r1
Samsung android=13.0-smr-apr-2023-r1
Samsung android=13.0-smr-apr-2024-r1
Samsung android=13.0-smr-apr-2025-r1
Samsung android=13.0-smr-aug-2022-r1
Samsung android=13.0-smr-aug-2023-r1
Samsung android=13.0-smr-aug-2024-r1
Samsung android=13.0-smr-dec-2021-r1
Samsung android=13.0-smr-dec-2022-r1
Samsung android=13.0-smr-dec-2023-r1
Samsung android=13.0-smr-dec-2024-r1
Samsung android=13.0-smr-feb-2022-r1
Samsung android=13.0-smr-feb-2023-r1
Samsung android=13.0-smr-feb-2024-r1
Samsung android=13.0-smr-feb-2025-r1
Samsung android=13.0-smr-jan-2022-r1
Samsung android=13.0-smr-jan-2023-r1
Samsung android=13.0-smr-jan-2024-r1
Samsung android=13.0-smr-jan-2025-r1
Samsung android=13.0-smr-jul-2022-r1
Samsung android=13.0-smr-jul-2023-r1
Samsung android=13.0-smr-jul-2024-r1
Samsung android=13.0-smr-jun-2022-r1
Samsung android=13.0-smr-jun-2023-r1
Samsung android=13.0-smr-jun-2024-r1
Samsung android=13.0-smr-mar-2022-r1
Samsung android=13.0-smr-mar-2023-r1
Samsung android=13.0-smr-mar-2024-r1
Samsung android=13.0-smr-mar-2025-r1
Samsung android=13.0-smr-may-2022-r1
Samsung android=13.0-smr-may-2023-r1
Samsung android=13.0-smr-may-2024-r1
Samsung android=13.0-smr-nov-2021-r1
Samsung android=13.0-smr-nov-2022-r1
Samsung android=13.0-smr-nov-2023-r1
Samsung android=13.0-smr-nov-2024-r1
Samsung android=13.0-smr-oct-2022-r1
Samsung android=13.0-smr-oct-2023-r1
Samsung android=13.0-smr-oct-2024-r1
Samsung android=13.0-smr-sep-2022-r1
Samsung android=13.0-smr-sep-2023-r1
Samsung android=13.0-smr-sep-2024-r1
Samsung android=14.0
Samsung android=14.0-smr-apr-2022-r1
Samsung android=14.0-smr-apr-2023-r1
Samsung android=14.0-smr-apr-2024-r1
Samsung android=14.0-smr-apr-2025-r1
Samsung android=14.0-smr-aug-2022-r1
Samsung android=14.0-smr-aug-2023-r1
Samsung android=14.0-smr-aug-2024-r1
Samsung android=14.0-smr-dec-2021-r1
Samsung android=14.0-smr-dec-2022-r1
Samsung android=14.0-smr-dec-2023-r1
Samsung android=14.0-smr-dec-2024-r1
Samsung android=14.0-smr-feb-2022-r1
Samsung android=14.0-smr-feb-2023-r1
Samsung android=14.0-smr-feb-2024-r1
Samsung android=14.0-smr-feb-2025-r1
Samsung android=14.0-smr-jan-2022-r1
Samsung android=14.0-smr-jan-2023-r1
Samsung android=14.0-smr-jan-2024-r1
Samsung android=14.0-smr-jan-2025-r1
Samsung android=14.0-smr-jul-2022-r1
Samsung android=14.0-smr-jul-2023-r1
Samsung android=14.0-smr-jul-2024-r1
Samsung android=14.0-smr-jun-2022-r1
Samsung android=14.0-smr-jun-2023-r1
Samsung android=14.0-smr-jun-2024-r1
Samsung android=14.0-smr-mar-2022-r1
Samsung android=14.0-smr-mar-2023-r1
Samsung android=14.0-smr-mar-2024-r1
Samsung android=14.0-smr-mar-2025-r1
Samsung android=14.0-smr-may-2022-r1
Samsung android=14.0-smr-may-2023-r1
Samsung android=14.0-smr-may-2024-r1
Samsung android=14.0-smr-nov-2021-r1
Samsung android=14.0-smr-nov-2022-r1
Samsung android=14.0-smr-nov-2023-r1
Samsung android=14.0-smr-nov-2024-r1
Samsung android=14.0-smr-oct-2022-r1
Samsung android=14.0-smr-oct-2023-r1
Samsung android=14.0-smr-oct-2024-r1
Samsung android=14.0-smr-sep-2022-r1
Samsung android=14.0-smr-sep-2023-r1
Samsung android=14.0-smr-sep-2024-r1
Samsung android=15.0
Samsung android=15.0-smr-apr-2025-r1
Samsung android=15.0-smr-mar-2025-r1
Event History
May 7, 2025
CVE Published
via MITRE·08:22 AM
Data Sourced
via MITRE·08:22 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2025-20937?
The CVE-2025-20937 vulnerability is considered high severity due to its potential for local privileged attackers to execute out-of-bounds memory writes.
2
How do I fix CVE-2025-20937?
To fix CVE-2025-20937, update the Keymaster trustlet to the version released in SMR May-2025 Release 1 or later.
3
What does CVE-2025-20937 affect?
CVE-2025-20937 affects the Keymaster trustlet versions prior to SMR May-2025 Release 1.
4
Who can exploit CVE-2025-20937?
CVE-2025-20937 can be exploited by local privileged attackers who have access to the affected system.
5
What are the risks associated with CVE-2025-20937?
The risks associated with CVE-2025-20937 include the potential for unauthorized memory access and manipulation, leading to data corruption or system compromise.