CVE-2025-20763
BaseFortify
Publication date: 2025-12-02
Last updated on: 2025-12-03
Assigner: MediaTek, Inc.
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| android | 14.0 | |
| android | 15.0 | |
| android | 16.0 | |
| mediatek | mt6833 | * |
| mediatek | mt6835 | * |
| mediatek | mt6853 | * |
| mediatek | mt6855 | * |
| mediatek | mt6877 | * |
| mediatek | mt6878 | * |
| mediatek | mt6879 | * |
| mediatek | mt6883 | * |
| mediatek | mt6885 | * |
| mediatek | mt6886 | * |
| mediatek | mt6889 | * |
| mediatek | mt6893 | * |
| mediatek | mt6895 | * |
| mediatek | mt6897 | * |
| mediatek | mt6899 | * |
| mediatek | mt6983 | * |
| mediatek | mt6985 | * |
| mediatek | mt6989 | * |
| mediatek | mt6991 | * |
| mediatek | mt8196 | * |
| mediatek | mt8676 | * |
| mediatek | mt8678 | * |
| mediatek | mt8792 | * |
| mediatek | mt8793 | * |
| mediatek | mt8796 | * |
| mediatek | mt8873 | * |
| mediatek | mt8893 | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in mmdvfs is caused by a missing bounds check that can lead to an out of bounds write. This means that the software may write data outside the intended memory area, which can cause unexpected behavior or security issues. Exploiting this vulnerability could allow a malicious actor who already has System privilege to escalate their privileges further on the local system. No user interaction is required to exploit this issue.
How can this vulnerability impact me? :
If exploited, this vulnerability can lead to local escalation of privilege, meaning an attacker with existing System privileges could gain even higher or more persistent control over the affected system. This could compromise system integrity and security.
What immediate steps should I take to mitigate this vulnerability?
Apply the patch identified as ALPS10267218 to fix the out of bounds write vulnerability in mmdvfs. Since exploitation requires local access with System privilege, ensure that only trusted users have such privileges and monitor for any unusual local activity.