---
id: CVE-2025-48623
title: >-
  In init_pkvm_hyp_vcpu of pkvm.c, there is a possible out of bounds write due
  to improper input validation
summary: >-
  In init_pkvm_hyp_vcpu of pkvm.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
  fo…
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-2025-48623'
references:
  - url: >-
      https://android.googlesource.com/kernel/common/+/3b6fab0ff24f7108c71a4d9c12567455cb2a5a81
    label: security@android.com
  - url: >-
      https://android.googlesource.com/kernel/common/+/e76cff4952af4ac4652dc74ffbd134ff57c47895
    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: '2026-09-30T17:13:20.748Z'
---

## Overview

In init_pkvm_hyp_vcpu of pkvm.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.