---
id: CVE-2025-48638
title: >-
  In __pkvm_load_tracing of trace.c, there is a possible out-of-bounds write due
  to improper input validation
summary: >-
  In __pkvm_load_tracing of trace.c, there is a possible out-of-bounds write due
  to improper input validation. This could lead to local escalation of privilege
  with no additional execution privileges needed. User interaction is not needed
  …
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-787
  - CWE-20
  - CWE-787
vendor: google
product: android
affected:
  - android
published: '2025-12-08'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T16:10:00.223'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-48638'
references:
  - url: >-
      https://android.googlesource.com/kernel/common/+/0429b7af308cf65c84109c08d06b01950dcd57fe
    label: security@android.com
  - url: >-
      https://android.googlesource.com/kernel/common/+/96ebe96170d67df5072afa2ce84622f5a0ff552a
    label: security@android.com
  - url: 'https://source.android.com/security/bulletin/2025-12-01'
    label: security@android.com
tags:
  - nvd
epss: 0.00106
epssPercentile: 0.01017
ingestedAt: '2026-09-30T17:13:20.751Z'
---

## Overview

In __pkvm_load_tracing of trace.c, there is a possible out-of-bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

## Affected

- `android`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.