critical
9.8
CWE
119 120 20
Advisory Published
Updated

CVE-2023-21504: Buffer Overflow

First published: Thu May 04 2023(Updated: )

Potential buffer overflow vulnerability in mm_Plmncoordination.c in Shannon baseband prior to SMR May-2023 Release 1 allows remote attackers to cause invalid memory access.

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-aug-2021-r1
Samsung Android=11.0-smr-aug-2022-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-feb-2021-r1
Samsung Android=11.0-smr-feb-2022-r1
Samsung Android=11.0-smr-feb-2023-r1
Samsung Android=11.0-smr-jan-2021-r1
Samsung Android=11.0-smr-jan-2022-r1
Samsung Android=11.0-smr-jul-2021-r1
Samsung Android=11.0-smr-jul-2022-r1
Samsung Android=11.0-smr-jun-2021-r1
Samsung Android=11.0-smr-jun-2022-r1
Samsung Android=11.0-smr-mar-2021-r1
Samsung Android=11.0-smr-mar-2022-r1
Samsung Android=11.0-smr-may-2021-r1
Samsung Android=11.0-smr-may-2022-r1
Samsung Android=11.0-smr-nov-2021-r1
Samsung Android=11.0-smr-nov-2022-r1
Samsung Android=11.0-smr-oct-2021-r1
Samsung Android=11.0-smr-oct-2022-r1
Samsung Android=11.0-smr-sep-2021-r1
Samsung Android=11.0-smr-sep-2022-r1
Samsung Android=12.0
Samsung Android=12.0-smr-apr-2022-r1
Samsung Android=12.0-smr-aug-2022-r1
Samsung Android=12.0-smr-dec-2021-r1
Samsung Android=12.0-smr-dec-2022-r1
Samsung Android=12.0-smr-feb-2022-r1
Samsung Android=12.0-smr-feb-2023-r1
Samsung Android=12.0-smr-jan-2022-r1
Samsung Android=12.0-smr-jul-2022-r1
Samsung Android=12.0-smr-jun-2022-r1
Samsung Android=12.0-smr-mar-2022-r1
Samsung Android=12.0-smr-may-2022-r1
Samsung Android=12.0-smr-nov-2021-r1
Samsung Android=12.0-smr-nov-2022-r1
Samsung Android=12.0-smr-oct-2022-r1
Samsung Android=12.0-smr-sep-2022-r1
Samsung Android=13.0-smr-apr-2023-r1
Samsung Android=13.0-smr-dec-2022-r1
Samsung Android=13.0-smr-feb-2023-r1
Samsung Android=13.0-smr-jan-2023-r1
Samsung Android=13.0-smr-mar-2023-r1
Samsung Android=13.0-smr-nov-2022-r1
Samsung Android=13.0-smr-oct-2022-r1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-21504?

    CVE-2023-21504 is classified as a high-severity vulnerability due to its potential for remote exploitation and memory corruption.

  • How do I fix CVE-2023-21504?

    To mitigate CVE-2023-21504, users should update their devices to the latest software version provided by Samsung that patches this vulnerability.

  • What types of devices are affected by CVE-2023-21504?

    CVE-2023-21504 affects Samsung Android devices running version 11.0 prior to the SMR May-2023 Release 1.

  • What can an attacker do with CVE-2023-21504?

    An attacker exploiting CVE-2023-21504 could potentially cause invalid memory access leading to application crashes or arbitrary code execution.

  • Is CVE-2023-21504 linked to any specific software components?

    CVE-2023-21504 specifically involves a vulnerability in the mm_Plmncoordination.c component of the Shannon baseband.

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