CVE-2025-48637: android Integer Overflow — Fix

Description

In multiple functions of mem_protect.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-190 Integer Overflow

Affected Products

Vendor	Product	Versions
google	android	All

References

Advisories & Patches

https://source.android.com/security/bulletin/2025-12-01

Other References

https://android.googlesource.com/kernel/common/+/4cfc9c2d8815577832cafbfcd7f98025f0da718d https://android.googlesource.com/kernel/common/+/aff2255dbe38dc7c57bac8d3ba9feed989289b20

Frequently Asked Questions

What is CVE-2025-48637? +

In multiple functions of mem_protect.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-48637? +

CVE-2025-48637 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-48637? +

CVE-2025-48637 affects products from google, specifically: android. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-48637? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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