CVE-2024-20147 Denial of service in MT2737, MT3603, MT6835, MT6878, MT6886, MT6897, MT6985, MT6989, MT6990, MT7902, MT7920, MT7921, MT7922, MT7925, MT7927, MT8195, MT8370, MT8390, MT8395, MT8518S, MT8532, MT8678

What is CVE-2024-20147?

CVE-2024-20147 is a medium-severity denial of service vulnerability in Google Android, published on 3 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Bluetooth FW, there is a possible reachable assertion due to improper exception handling. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00389046 (Note: For MT79XX chipsets) / ALPS09136501 (Note: For MT2737, MT3603, MT6XXX, and MT8XXX chipsets); Issue ID: MSV-1797.

Weakness: CWE-617

Which versions are affected by CVE-2024-20147?

It affects 4 products.

Products include Google Android, Linuxfoundation Yocto, Mediatek Software Development Kit, Openwrt Openwrt.

How do I fix CVE-2024-20147?

No fix has been published for CVE-2024-20147 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-2024-20147 being exploited?

There is no known exploitation of CVE-2024-20147 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-82mr-cw9v-6p8w.