CVE-2021-25452 Denial of service in Samsung Mobile Devices

What is CVE-2021-25452?

CVE-2021-25452 is a medium-severity denial of service vulnerability in Google Android, published on 9 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An improper input validation vulnerability in loading graph file in DSP driver prior to SMR Sep-2021 Release 1 allows attackers to perform permanent denial of service on the device.

Weakness: CWE-20, CWE-22

Which versions are affected by CVE-2021-25452?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-25452?

No fix has been published for CVE-2021-25452 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-2021-25452 being exploited?

There is no known exploitation of CVE-2021-25452 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cgvh-3r4w-r8v7.