---
id: CVE-2026-59046
title: >-
  In __pkvm_guest_relinquish_to_host of mem_protect.c, there is a possible
  out-of-bounds write due to improper input validation
summary: >-
  In __pkvm_guest_relinquish_to_host of mem_protect.c, there is a possible
  out-of-bounds write due to improper input validation. This could lead to local
  denial of service with no additional execution privileges needed. User
  interaction is…
severity: medium
cvss: 6.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cvssSource: adp
vendor: Google
product: Android
affected:
  - Android Android kernel
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-03T20:09:00.815080Z'
published: '2026-11-02'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T20:09:04.595Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-59046'
references:
  - url: >-
      https://android.googlesource.com/kernel/common/+/4a75aa4e840f294efd47084e083a6e91069bce58
  - url: >-
      https://android.googlesource.com/kernel/common/+/525cfccadb92e7c9314d03cce600fed7335874d9
  - url: 'https://source.android.com/docs/security/bulletin/2026/2026-11-01'
tags:
  - cve.org
epss: 0.00091
epssPercentile: 0.0045
ingestedAt: '2026-11-05T20:33:06.440Z'
---

## Overview

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

## Affected

- `Android Android kernel`

## Remediation

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