medium
6.5
CWE
772
Advisory Published
Updated

CVE-2022-20023

First published: Tue Jan 04 2022(Updated: )

In Bluetooth, there is a possible application crash due to bluetooth flooding a device with LMP_AU_rand packet. This could lead to remote denial of service of bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06198608; Issue ID: ALPS06198608.

Credit: security@mediatek.com

Affected SoftwareAffected VersionHow to fix
Google Android=10.0
Google Android=11.0
Mediatek Mt6580
Mediatek Mt6630
Mediatek Mt6735
Mediatek Mt6737
Mediatek Mt6739
Mediatek Mt6750s
Mediatek Mt6753
Mediatek Mt6755s
Mediatek Mt6757
Mediatek Mt6757c
Mediatek Mt6757cd
Mediatek Mt6757ch
Mediatek Mt6761
Mediatek Mt6762
Mediatek Mt6763
Mediatek Mt6765
Mediatek Mt6768
Mediatek Mt6771
Mediatek Mt6779
Mediatek Mt6785
Mediatek Mt6833
Mediatek Mt6853
Mediatek Mt6853t
Mediatek Mt6873
Mediatek Mt6877
Mediatek Mt6885
Mediatek Mt6889
Mediatek Mt6893
Mediatek Mt7662t
Mediatek Mt7663
Mediatek Mt7668
Mediatek Mt7915
Mediatek Mt7920
Mediatek Mt7921
Mediatek Mt7922
Mediatek Mt8163
Mediatek Mt8167
Mediatek Mt8167s
Mediatek Mt8168
Mediatek Mt8173
Mediatek Mt8175
Mediatek Mt8183
Mediatek Mt8185
Mediatek Mt8195
Mediatek Mt8321
Mediatek Mt8362a
Mediatek Mt8362b
Mediatek Mt8365
Mediatek Mt8385
Mediatek Mt8765
Mediatek Mt8766
Mediatek Mt8768
Mediatek Mt8786
Mediatek Mt8788
Mediatek Mt8789
Mediatek Mt8791
Mediatek Mt8797

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Reference Links

Frequently Asked Questions

  • What is CVE-2022-20023?

    CVE-2022-20023 is a vulnerability in Bluetooth that could lead to an application crash due to Bluetooth flooding a device with LMP_AU_rand packets, resulting in remote denial of service without additional execution privileges.

  • How can the CVE-2022-20023 vulnerability be exploited?

    The CVE-2022-20023 vulnerability can be exploited without user interaction by flooding a Bluetooth device with LMP_AU_rand packets.

  • What is the severity level of CVE-2022-20023?

    The severity level of CVE-2022-20023 is medium, with a severity score of 6.5.

  • Which software versions are affected by CVE-2022-20023?

    The affected software versions include Google Android 10.0 and 11.0.

  • How can I patch or fix the CVE-2022-20023 vulnerability?

    To patch or fix the CVE-2022-20023 vulnerability, apply the patch with Patch ID: ALPS06198608 as provided by the official MediaTek Product Security Bulletin for January 2022.

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