CVE-2026-87765— Improper Input Validation in Kernel APsys DVFS
Quick assessment
Affected
Unisoc (Shanghai) Technologies Co., Ltd. kernel
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在Linux内核的apsys DVFS驱动中，由于对频率索引输入验证不当，可能导致越界读取或硬件寄存器损坏。这可能会在本地权限下引发系统不稳定或导致拒绝服务（DoS）攻击。
Possible ATT&CK Techniques 2 AI
T1053.005 · Scheduled Task T1055.001 · Dynamic-link Library Injection
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I. Basic Information for CVE-2026-87765
Vulnerability Information
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Vulnerability Title
Improper Input Validation in Kernel APsys DVFS
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Unisoc (Shanghai) Technologies Co., Ltd. | kernel | T610 | - |
|
II. Public POCs for CVE-2026-87765
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-87765 (1)
Same Patch Batch · Unisoc (Shanghai) Technologies Co., Ltd. · 2026-10-12 · 3 CVEs total
| CVE-2026-66086 | 8.3 HIGH | Stack-based Buffer Overflow in Modem |
| CVE-2026-66085 | 5.5 MEDIUM | Information Disclosure in Modem |
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V. Comments for CVE-2026-87765
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