medium
6.4
CWE
367 416 362
Advisory Published
Updated

CVE-2024-20833: Use After Free

First published: Tue Mar 05 2024(Updated: )

Use after free vulnerability in pub_crypto_recv_msg prior to SMR Mar-2024 Release 1 due to race condition allows local attackers with system privilege to cause memory corruption.

Credit: mobile.security@samsung.com

Affected SoftwareAffected VersionHow to fix
Samsung Android=11.0
Samsung Android=11.0-smr-apr-2021-r1
Samsung Android=11.0-smr-apr-2022-r1
Samsung Android=11.0-smr-apr-2023-r1
Samsung Android=11.0-smr-aug-2021-r1
Samsung Android=11.0-smr-aug-2022-r1
Samsung Android=11.0-smr-aug-2023-r1
Samsung Android=11.0-smr-dec-2020-r1
Samsung Android=11.0-smr-dec-2021-r1
Samsung Android=11.0-smr-dec-2022-r1
Samsung Android=11.0-smr-dec-2023-r1
Samsung Android=11.0-smr-feb-2021-r1
Samsung Android=11.0-smr-feb-2022-r1
Samsung Android=11.0-smr-feb-2023-r1
Samsung Android=11.0-smr-feb-2024-r1
Samsung Android=11.0-smr-jan-2021-r1
Samsung Android=11.0-smr-jan-2022-r1
Samsung Android=11.0-smr-jan-2023-r1
Samsung Android=11.0-smr-jan-2024-r1
Samsung Android=11.0-smr-jul-2021-r1
Samsung Android=11.0-smr-jul-2022-r1
Samsung Android=11.0-smr-jul-2023-r1
Samsung Android=11.0-smr-jun-2021-r1
Samsung Android=11.0-smr-jun-2022-r1
Samsung Android=11.0-smr-jun-2023-r1
Samsung Android=11.0-smr-mar-2021-r1
Samsung Android=11.0-smr-mar-2022-r1
Samsung Android=11.0-smr-mar-2023-r1
Samsung Android=11.0-smr-may-2021-r1
Samsung Android=11.0-smr-may-2022-r1
Samsung Android=11.0-smr-may-2023-r1
Samsung Android=11.0-smr-nov-2021-r1
Samsung Android=11.0-smr-nov-2022-r1
Samsung Android=11.0-smr-nov-2023-r1
Samsung Android=11.0-smr-oct-2021-r1
Samsung Android=11.0-smr-oct-2022-r1
Samsung Android=11.0-smr-oct-2023-r1
Samsung Android=11.0-smr-sep-2021-r1
Samsung Android=11.0-smr-sep-2022-r1
Samsung Android=11.0-smr-sep-2023-r1
Samsung Android=12.0
Samsung Android=12.0-smr-apr-2022-r1
Samsung Android=12.0-smr-apr-2023-r1
Samsung Android=12.0-smr-aug-2022-r1
Samsung Android=12.0-smr-aug-2023-r1
Samsung Android=12.0-smr-dec-2021-r1
Samsung Android=12.0-smr-dec-2022-r1
Samsung Android=12.0-smr-dec-2023-r1
Samsung Android=12.0-smr-feb-2022-r1
Samsung Android=12.0-smr-feb-2023-r1
Samsung Android=12.0-smr-feb-2024-r1
Samsung Android=12.0-smr-jan-2022-r1
Samsung Android=12.0-smr-jan-2023-r1
Samsung Android=12.0-smr-jan-2024-r1
Samsung Android=12.0-smr-jul-2022-r1
Samsung Android=12.0-smr-jul-2023-r1
Samsung Android=12.0-smr-jun-2022-r1
Samsung Android=12.0-smr-jun-2023-r1
Samsung Android=12.0-smr-mar-2022-r1
Samsung Android=12.0-smr-mar-2023-r1
Samsung Android=12.0-smr-may-2022-r1
Samsung Android=12.0-smr-may-2023-r1
Samsung Android=12.0-smr-nov-2021-r1
Samsung Android=12.0-smr-nov-2022-r1
Samsung Android=12.0-smr-nov-2023-r1
Samsung Android=12.0-smr-oct-2022-r1
Samsung Android=12.0-smr-oct-2023-r1
Samsung Android=12.0-smr-sep-2022-r1
Samsung Android=12.0-smr-sep-2023-r1
Samsung Android=13.0
Samsung Android=13.0-smr-apr-2022-r1
Samsung Android=13.0-smr-apr-2023-r1
Samsung Android=13.0-smr-aug-2022-r1
Samsung Android=13.0-smr-aug-2023-r1
Samsung Android=13.0-smr-dec-2021-r1
Samsung Android=13.0-smr-dec-2022-r1
Samsung Android=13.0-smr-dec-2023-r1
Samsung Android=13.0-smr-feb-2022-r1
Samsung Android=13.0-smr-feb-2023-r1
Samsung Android=13.0-smr-feb-2024-r1
Samsung Android=13.0-smr-jan-2022-r1
Samsung Android=13.0-smr-jan-2023-r1
Samsung Android=13.0-smr-jan-2024-r1
Samsung Android=13.0-smr-jul-2022-r1
Samsung Android=13.0-smr-jul-2023-r1
Samsung Android=13.0-smr-jun-2022-r1
Samsung Android=13.0-smr-jun-2023-r1
Samsung Android=13.0-smr-mar-2022-r1
Samsung Android=13.0-smr-mar-2023-r1
Samsung Android=13.0-smr-may-2022-r1
Samsung Android=13.0-smr-may-2023-r1
Samsung Android=13.0-smr-nov-2021-r1
Samsung Android=13.0-smr-nov-2022-r1
Samsung Android=13.0-smr-nov-2023-r1
Samsung Android=13.0-smr-oct-2022-r1
Samsung Android=13.0-smr-oct-2023-r1
Samsung Android=13.0-smr-sep-2022-r1
Samsung Android=13.0-smr-sep-2023-r1
Samsung Android=14.0
Samsung Android=14.0-smr-apr-2022-r1
Samsung Android=14.0-smr-apr-2023-r1
Samsung Android=14.0-smr-aug-2022-r1
Samsung Android=14.0-smr-aug-2023-r1
Samsung Android=14.0-smr-dec-2021-r1
Samsung Android=14.0-smr-dec-2022-r1
Samsung Android=14.0-smr-dec-2023-r1
Samsung Android=14.0-smr-feb-2022-r1
Samsung Android=14.0-smr-feb-2023-r1
Samsung Android=14.0-smr-feb-2024-r1
Samsung Android=14.0-smr-jan-2022-r1
Samsung Android=14.0-smr-jan-2023-r1
Samsung Android=14.0-smr-jan-2024-r1
Samsung Android=14.0-smr-jul-2022-r1
Samsung Android=14.0-smr-jul-2023-r1
Samsung Android=14.0-smr-jun-2022-r1
Samsung Android=14.0-smr-jun-2023-r1
Samsung Android=14.0-smr-mar-2022-r1
Samsung Android=14.0-smr-mar-2023-r1
Samsung Android=14.0-smr-may-2022-r1
Samsung Android=14.0-smr-may-2023-r1
Samsung Android=14.0-smr-nov-2021-r1
Samsung Android=14.0-smr-nov-2022-r1
Samsung Android=14.0-smr-nov-2023-r1
Samsung Android=14.0-smr-oct-2022-r1
Samsung Android=14.0-smr-oct-2023-r1
Samsung Android=14.0-smr-sep-2022-r1
Samsung Android=14.0-smr-sep-2023-r1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2024-20833?

    CVE-2024-20833 is a critical vulnerability that allows local attackers with system privileges to cause memory corruption due to a use after free condition.

  • How do I fix CVE-2024-20833?

    To fix CVE-2024-20833, update your Samsung Android device to the SMR Mar-2024 Release 1 or later.

  • What devices are affected by CVE-2024-20833?

    CVE-2024-20833 affects various versions of Samsung Android 11.0 and select 12.0, 13.0, and 14.0 updates.

  • What type of vulnerability is CVE-2024-20833?

    CVE-2024-20833 is classified as a use after free vulnerability caused by a race condition in pub_crypto_recv_msg.

  • Who can exploit CVE-2024-20833?

    CVE-2024-20833 can be exploited by local attackers with system privileges on affected Samsung Android devices.

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