CWE
362 416
Advisory Published
Updated

CVE-2023-20835: Race Condition

First published: Mon Sep 04 2023(Updated: )

In camsys, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07341261; Issue ID: ALPS07326570.

Credit: security@mediatek.com security@mediatek.com

Affected SoftwareAffected VersionHow to fix
Linuxfoundation Yocto=4.0
Mediatek Iot Yocto=23.0
Google Android=12.0
Google Android=13.0
Mediatek Mt6895
Mediatek Mt6983
Mediatek Mt8188
Mediatek Mt8195
Mediatek Mt8395
Mediatek Mt8781
All of
Any of
Linuxfoundation Yocto=4.0
Mediatek Iot Yocto=23.0
Google Android=12.0
Google Android=13.0
Any of
Mediatek Mt6895
Mediatek Mt6983
Mediatek Mt8188
Mediatek Mt8195
Mediatek Mt8395
Mediatek Mt8781

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Frequently Asked Questions

  • What is CVE-2023-20835?

    CVE-2023-20835 is a vulnerability in camsys that allows for a possible use after free due to a race condition, leading to local escalation of privilege with System execution privileges needed.

  • What is the severity of CVE-2023-20835?

    The severity of CVE-2023-20835 is medium with a CVSS score of 6.4.

  • Which software versions are affected by CVE-2023-20835?

    Linux Foundation Yocto 4.0, Mediatek IoT Yocto 23.0, Google Android 12.0, Google Android 13.0

  • Is Mediatek Mt6895 affected by CVE-2023-20835?

    No, Mediatek Mt6895 is not vulnerable to CVE-2023-20835.

  • How can I patch CVE-2023-20835?

    Patch ID: ALPS07341261; Issue ID: ALPS07326570. Please refer to the vendor's product security bulletin for more information: https://corp.mediatek.com/product-security-bulletin/September-2023

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