Advisory Published


First published: Tue Sep 08 2020(Updated: )

Out of bound access can happen in MHI command process due to lack of check of command channel id value received from MHI devices in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in APQ8009, Kamorta, MDM9607, MSM8917, MSM8953, Nicobar, QCM2150, QCS405, QCS605, QM215, Rennell, SA6155P, SA8155P, Saipan, SC8180X, SDM429, SDM429W, SDM439, SDM450, SDM632, SDM710, SDM845, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

Credit: product-security@qualcomm.com

Affected SoftwareAffected VersionHow to fix
Google Android
Google Android
Qualcomm Apq8009
Google Android
Google Android
Google Android
Qualcomm Mdm9607
Qualcomm Msm8917 Firmware
Qualcomm Msm8917
Google Android
Google Android
Google Android
Qualcomm Nicobar
Qualcomm Qcm2150 Firmware
Google Android
Qualcomm Qcs405 Firmware
Qualcomm Qcs405
Qualcomm Qcs605 Firmware
Google Android
Qualcomm Qm215 Firmware
Qualcomm Qm215
Qualcomm Rennell Firmware
Google Android
Google Android
Qualcomm Sa6155p
Google Android
Google Android
Google Android
Google Android
Qualcomm Sc8180x Firmware
Qualcomm Sc8180x
Google Android
Google Android
Qualcomm Sdm429w Firmware
Qualcomm Sdm429w
Qualcomm Sdm439 Firmware
Qualcomm Sdm439
Google Android
Qualcomm SDM450
Qualcomm Sdm632 Firmware
Qualcomm Sdm632
Qualcomm Sdm710 Firmware
Qualcomm Sdm710
Qualcomm Sdm845 Firmware
Qualcomm Sdm845
Qualcomm Sdx55 Firmware
Qualcomm Sdx55
Qualcomm Sm6150 Firmware
Qualcomm Sm6150
Qualcomm Sm7150 Firmware
Qualcomm Sm7150
Qualcomm Sm8150 Firmware
Qualcomm Sm8150
Qualcomm Sm8250 Firmware
Qualcomm SM8250
Qualcomm Sxr2130 Firmware
Qualcomm Sxr2130

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Frequently Asked Questions

  • What is the severity of CVE-2020-3656?

    The severity of CVE-2020-3656 is high with a CVSS score of 7.8.

  • Which software is affected by CVE-2020-3656?

    CVE-2020-3656 affects Google Android, Qualcomm APQ8009 Firmware, Qualcomm Kamorta Firmware, Qualcomm MDM9607 Firmware, Qualcomm MSM8917 Firmware, Qualcomm MSM8953 Firmware, Qualcomm Nicobar Firmware, Qualcomm Qcm2150 Firmware, Qualcomm Qcs405 Firmware, Qualcomm Qcs605 Firmware, Qualcomm Qm215 Firmware, Qualcomm Rennell Firmware, Qualcomm Sa6155p Firmware, Qualcomm Sa8155p Firmware, Qualcomm Saipan Firmware, Qualcomm Sc8180x Firmware, Qualcomm SDM429 Firmware, Qualcomm SDM429w Firmware, Qualcomm SDM439 Firmware, Qualcomm SDM450 Firmware, Qualcomm SDM632 Firmware, Qualcomm SDM710 Firmware, Qualcomm SDM845 Firmware, Qualcomm SDX55 Firmware, Qualcomm SM6150 Firmware, Qualcomm SM7150 Firmware, Qualcomm SM8150 Firmware, Qualcomm SM8250 Firmware, Qualcomm SXR2130 Firmware.

  • How can out of bound access happen in MHI command process for CVE-2020-3656?

    Out of bound access can happen in MHI command process for CVE-2020-3656 due to lack of check of command channel id value received from MHI devices.

  • What is the Common Weakness Enumeration (CWE) ID for CVE-2020-3656?

    The Common Weakness Enumeration (CWE) ID for CVE-2020-3656 is 120.

  • Where can I find more information about CVE-2020-3656?

    You can find more information about CVE-2020-3656 in the following references: [Reference 1](https://www.qualcomm.com/company/product-security/bulletins/september-2020-bulletin), [Reference 2](https://source.codeaurora.org/quic/la/kernel/msm-4.14/commit/?id=e98a048a50f022181e008c60fea0c9cdee83e05a), [Reference 3](https://source.android.com/docs/security/bulletin/2020-09-01).


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