medium
6.5
Advisory Published
Updated

CVE-2022-20022

First published: Tue Jan 04 2022(Updated: )

In Bluetooth, there is a possible link disconnection due to bluetooth does not properly handle a connection attempt from a host with the same BD address as the currently connected BT host. 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: ALPS06198578; Issue ID: ALPS06198578.

Credit: security@mediatek.com 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 Mt6763
Mediatek Mt6771
Mediatek Mt7662t
Mediatek Mt7663
Mediatek Mt7668
Mediatek Mt8163
Mediatek Mt8167
Mediatek Mt8167s
Mediatek Mt8173
Mediatek Mt8183
Mediatek Mt8321
Mediatek Mt8362a
Mediatek Mt8362b
Mediatek Mt8385
Mediatek Mt8765
Mediatek Mt8788
All of
Any of
Google Android=10.0
Google Android=11.0
Any of
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 Mt6763
Mediatek Mt6771
Mediatek Mt7662t
Mediatek Mt7663
Mediatek Mt7668
Mediatek Mt8163
Mediatek Mt8167
Mediatek Mt8167s
Mediatek Mt8173
Mediatek Mt8183
Mediatek Mt8321
Mediatek Mt8362a
Mediatek Mt8362b
Mediatek Mt8385
Mediatek Mt8765
Mediatek Mt8788

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Reference Links

Frequently Asked Questions

  • What is CVE-2022-20022?

    CVE-2022-20022 is a vulnerability in Bluetooth where a link disconnection can occur due to improper handling of a connection attempt from a host with the same BD address.

  • What is the severity of CVE-2022-20022?

    The severity of CVE-2022-20022 is medium with a CVSS score of 6.5.

  • Which software versions are affected by CVE-2022-20022?

    Google Android 10.0 and 11.0 are affected by CVE-2022-20022.

  • How can CVE-2022-20022 be exploited?

    CVE-2022-20022 can be exploited by a remote attacker sending a connection attempt from a host with the same BD address as the currently connected BT host, leading to a denial of service.

  • Is Mediatek Mt6580 vulnerable to CVE-2022-20022?

    No, Mediatek Mt6580 is not vulnerable to CVE-2022-20022.

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