medium
4.4
CWE
125
Advisory Published
Updated

CVE-2022-21756

First published: Mon Jun 06 2022(Updated: )

In WLAN driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06535950; Issue ID: ALPS06535950.

Credit: security@mediatek.com

Affected SoftwareAffected VersionHow to fix
Google Android=11.0
Google Android=12.0
Mediatek Mt6833
Mediatek Mt6853
Mediatek Mt6853t
Mediatek Mt6873
Mediatek Mt6875
Mediatek Mt6877
Mediatek Mt6879
Mediatek Mt6880
Mediatek Mt6883
Mediatek Mt6885
Mediatek Mt6889
Mediatek Mt6890
Mediatek Mt6891
Mediatek Mt6893
Mediatek Mt6895
Mediatek Mt6983
Mediatek Mt6985
Mediatek Mt8167s
Mediatek Mt8168
Mediatek Mt8175
Mediatek Mt8183
Mediatek Mt8185
Mediatek Mt8362a
Mediatek Mt8365
Mediatek Mt8385
Mediatek Mt8667
Mediatek Mt8675
Mediatek Mt8695
Google Android
Mediatek Mt8766
Mediatek Mt8768
Mediatek Mt8786
Mediatek Mt8788
Mediatek Mt8789
Mediatek Mt8797

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Reference Links

Frequently Asked Questions

  • What is CVE-2022-21756?

    CVE-2022-21756 is a vulnerability in the WLAN driver that could lead to local information disclosure with system execution privileges.

  • Is user interaction required to exploit CVE-2022-21756?

    No, user interaction is not needed for exploitation of CVE-2022-21756.

  • What is the severity of CVE-2022-21756?

    CVE-2022-21756 has a severity rating of 4.4 (medium).

  • How can I fix CVE-2022-21756?

    To fix CVE-2022-21756, apply the provided patch (ALPS06535950) from the official source or follow the instructions provided by the software vendor.

  • Where can I find more information about CVE-2022-21756?

    You can find more information about CVE-2022-21756 in the product security bulletin released by MediaTek. [Link](https://corp.mediatek.com/product-security-bulletin/June-2022)

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