Out-of-Bounds Write Vulnerability in Android Kernel's PKVM Component
CVE-2025-48638

7.8HIGH

Key Information:

Vendor

Google
Status
Android
Vendor
CVE Published:
8 December 2025

What is CVE-2025-48638?

A vulnerability in the PKVM component of the Android kernel allows for a potential out-of-bounds write due to insufficient input validation. This issue poses a risk of local privilege escalation, which can be exploited without the need for additional execution privileges or user interaction. Addressing this vulnerability is crucial for maintaining system integrity and security.

Affected Version(s)

Android Android kernel

References

https://android.googlesource.com/kernel/common/+/0429b7af...
https://android.googlesource.com/kernel/common/+/96ebe961...
https://source.android.com/security/bulletin/2025-12-01

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-48638 : Out-of-Bounds Write Vulnerability in Android Kernel's PKVM Component