CVE-2026-87765: CWE-20 in Unisoc (Shanghai) Technologies Co., Ltd. kernel
Description
CVE-2026-87765 is a medium severity vulnerability in the Unisoc kernel's apsys DVFS driver caused by improper input validation of the frequency index. This flaw can lead to out-of-bounds reads or hardware register corruption, potentially causing system instability or denial of service when exploited by a local user with privileges.
CVSS v3.1
Score 5.5medium
Affected software
Unisoc (Shanghai) Technologies Co., Ltd.
kernel
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability exists in the apsys DVFS driver of the Unisoc kernel, where improper validation of the frequency index input can result in out-of-bounds memory reads or corruption of hardware registers. This can cause system instability or denial of service. The issue requires local privileges to exploit and does not impact confidentiality or integrity, only availability.
Potential Impact
Exploitation of this vulnerability can cause denial of service or system instability on affected devices. It requires local privileges and does not affect confidentiality or integrity. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Unisoc
- Date Reserved
- 2026-09-09T07:37:43.484Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6acc438d2cdf04f65652e335
Added to database: 10/12/2026, 02:18:53 UTC
Last enriched: 10/12/2026, 02:33:20 UTC
Last updated: 10/12/2026, 02:33:20 UTC
Views: 5
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