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CVE-2021-25370: Samsung Mobile Devices Memory Corruption Vulnerability

criticalknown exploitedCVE-2021-25370
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 using Mali GPU contain an incorrect implementation handling file descriptor in dpu driver. This incorrect implementation results in memory corruption, leading to kernel panic. This vulnerability was chained with CVE-2021-25337 and CVE-2021-25369.

CSIRTS triage

vendor: SamsungMemory corruption
What
Samsung mobile devices using Mali GPU contain a memory corruption vulnerability leading to kernel panic.
Who is affected
Users of Samsung mobile devices with Mali GPU.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest firmware provided by Samsung.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-11-08
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-25370

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-2021-25370coverage & exploitation statusNVD · CVE.org

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