CVE-2026-87765 Improper Input Validation in Kernel APsys DVFS
Local attackers can cause system instability or denial of service via improper input validation in the Unisoc kernel APsys DVFS driver.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-87765?
CVE-2026-87765 is a medium-severity denial of service vulnerability in Unisoc (Shanghai) Technologies Co., Ltd. kernel, published on 12 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-20
Which versions are affected by CVE-2026-87765?
How do I fix CVE-2026-87765?
No fix has been published for CVE-2026-87765 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-87765 being exploited?
There is no known exploitation of CVE-2026-87765 in the wild and no public exploit code.
Sources
Also known as GHSA-48hc-vg85-6q45.