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

criticalknown exploitedCVE-2021-25372
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Samsung mobile devices contain an improper boundary check vulnerability within DSP driver that allows for out-of-bounds memory access.

CSIRTS triage

vendor: Samsungproduct: Samsung Mobile DevicesOther
What
An improper boundary check vulnerability within the DSP driver allows for out-of-bounds memory access.
Who is affected
Users of affected Samsung mobile devices.
Urgency
Remediation is urgent due to the critical nature of the vulnerability and its exploitation status.
Action
Apply the latest security updates from Samsung.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-06-29
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-25372

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-25372coverage & exploitation statusNVD · CVE.org

Recent advisories for Samsung Mobile Devices

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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