---
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
vendor: 'Unisoc (Shanghai) Technologies Co., Ltd.'
product: kernel
affected:
  - kernel T610
  - kernel T618
  - kernel T7200
  - kernel T7225
  - kernel T7250
  - kernel T7255
  - kernel T7280
  - kernel T8100
  - kernel T9100
  - kernel T8200
  - kernel T7300
  - kernel T8300
published: '2026-10-12'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T19:55:59.740'
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
  - cve.org
epss: 0.00098
epssPercentile: 0.00754
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-16T15:55:08.097212Z'
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.