---
id: CVE-2026-87765
title: >-
  In the kernel apsys DVFS driver, there is a possible out-of-bounds read or
  hardware register corruption due to improper input validation of the frequency
  index
summary: >-
  In the kernel apsys DVFS driver, there is a possible out-of-bounds read or
  hardware register corruption due to improper input validation of the frequency
  index. This could lead to system instability or denial of service with local
  privil…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-20
published: '2026-10-12'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T02:16:57.727'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-87765'
references:
  - url: >-
      https://www.unisoc.com/en/support/product-security-bulletin/2109454821805424641
    label: security@unisoc.com
tags:
  - nvd
ingestedAt: '2026-10-12T14:50:34.076Z'
---

## Overview

In the kernel apsys DVFS driver, there is a possible out-of-bounds read or hardware register corruption due to improper input validation of the frequency index. This could lead to system instability or denial of service with local privileges.

## Remediation

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