CVE-2021-25475: Buffer Overflow

Published Oct 6, 2021

Updated

A possible heap-based buffer overflow vulnerability in DSP kernel driver prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.

Affected Software

5 affected components

Google Android=10.0

Google Android=11.0

Samsung Exynos 2100

Samsung Exynos 980

Samsung Exynos 9830

Event History

Oct 6, 2021

CVE Published

via MITRE·05:08 PM

Data Sourced

via MITRE·05:08 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is CVE-2021-25475?

CVE-2021-25475 is a possible heap-based buffer overflow vulnerability in the DSP kernel driver prior to SMR Oct-2021 Release 1.

How does CVE-2021-25475 impact Android devices?

CVE-2021-25475 allows arbitrary memory write and code execution, which can potentially lead to unauthorized access or control of the affected device.

Which versions of Android are affected by CVE-2021-25475?

Android 10.0 and Android 11.0 are affected by CVE-2021-25475.

Is Samsung Exynos 2100 vulnerable to CVE-2021-25475?

No, Samsung Exynos 2100 is not vulnerable to CVE-2021-25475.

How severe is CVE-2021-25475?

CVE-2021-25475 has a severity rating of high, with a CVSS score of 6.7.

How can I fix CVE-2021-25475?

To fix CVE-2021-25475, users should apply the SMR Oct-2021 Release 1 or later security updates provided by their device manufacturer.