Local information disclosure via integer overflow
Published Oct 14, 2025 · Updated Oct 14, 2025
Integer overflow in MediaTek GNSS Driver on affected platforms allows local users with System privilege to read out-of-bounds memory. An integer calculation in the GNSS component overflows and is then used for an out-of-bounds read; MediaTek has not disclosed the specific function, input, or buffer. The issue affects Android 14.0 and 15.0, openWRT 21.02 and 23.05, and RDKB 24Q1 on listed MediaTek chipsets, and exploitation requires existing System privilege but no user interaction.
Summary
What happened
Integer overflow in MediaTek GNSS Driver on affected platforms allows local users with System privilege to read out-of-bounds memory. An integer calculation in the GNSS component overflows and is then used for an out-of-bounds read; MediaTek has not disclosed the specific function, input, or buffer. The issue affects Android 14.0 and 15.0, openWRT 21.02 and 23.05, and RDKB 24Q1 on listed MediaTek chipsets, and exploitation requires existing System privilege but no user interaction.
The record
- CVE
- CVE-2025-20722
- Published
- Oct 14, 2025
- Updated
- Oct 14, 2025
- Vendor
- MediaTek
- Product
- MediaTek GNSS Driver
- Classifications
- CWE-190
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Oct 14, 2025CVE publishedPublication date reported by the CVE source.
- Oct 14, 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?
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- Affected versionversion=Android 14.0, 15.0 / openWRT 21.02, 23.05 / RDKB 24Q1
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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