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

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2023-06-29
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-26 · updated 2026-06-17
• Weakness: CWE-787

Description

An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.

Affected products

• Samsung Android: 10.0-smr-feb-2021-r1, 10.0-smr-jan-2021-r1, 11.0-smr-feb-2021-r1, 11.0-smr-jan-2021-r1

References

• https://security.samsungmobile.com
• https://security.samsungmobile.com/securityUpdate.smsb
• https://security.samsungmobile.com
• https://security.samsungmobile.com/securityUpdate.smsb
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25372

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