System-level information disclosure via unchecked Keymaster read
Published Apr 7, 2025 · Updated Apr 7, 2025
Out-of-bounds read in MT9972 Keymaster on Android 12.0 and 14.0 allows local users with System privilege to disclose information. Keymaster reads beyond the intended buffer because the affected code omits a bounds check; the specific function and input are undisclosed. Exploitation requires prior System privilege, needs no user interaction, and is limited to local information disclosure.
Summary
What happened
Out-of-bounds read in MT9972 Keymaster on Android 12.0 and 14.0 allows local users with System privilege to disclose information. Keymaster reads beyond the intended buffer because the affected code omits a bounds check; the specific function and input are undisclosed. Exploitation requires prior System privilege, needs no user interaction, and is limited to local information disclosure.
The record
- CVE
- CVE-2025-20655
- Published
- Apr 7, 2025
- Updated
- Apr 7, 2025
- Vendor
- MediaTek
- Product
- MT9972
- Classifications
- CWE-125, T1533
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Apr 7, 2025CVE publishedPublication date reported by the CVE source.
- Apr 7, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=Android 12.0, 14.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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