CVE-2021-25372: Samsung Mobile Devices Improper Boundary Check Vulnerability

CVE-2021-25372 · Severity: critical · CVSS 6.7 · Exploited in the wild · Published 2023-06-29

Samsung mobile devices contain an improper boundary check vulnerability within the DSP driver. This flaw allows for out-of-bounds memory access, potentially leading to memory corruption or unauthorized access.

Technologies: Samsung Mobile Devices. Vendors: Samsung.

Quick answers

Is CVE-2021-25372 exploited in the wild?
Yes. CVE-2021-25372 is known to be exploited in the wild, first recorded on 29 June 2023. Treat it as urgent.
How severe is CVE-2021-25372?
Critical severity, with a CVSS score of 6.7, published 29 June 2023.
Which products and versions are affected?
Samsung DSP Driver Prior to SMR Mar-2021 Release 1; Samsung Exynos 2100; Samsung Exynos 980; Samsung Exynos 9830.
Is there a fix for CVE-2021-25372?
A patch was published on 2021-03-01: SMR Mar-2021 Release 1 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2021-25372 attacked?
It is attacked with local access, in device firmware.
Am I affected by CVE-2021-25372?
Check whether you run Samsung Mobile Devices. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Samsung DSP Driver Prior to SMR Mar-2021 Release 1
  • Samsung Exynos 2100
  • Samsung Exynos 980
  • Samsung Exynos 9830

Timeline

  • 2021-03-26: disclosed
  • 2021-03-01: patched: SMR Mar-2021 Release 1
  • 2023-06-29: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-06-29: exploited

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