Unbounded Memory Allocation Vulnerability in Samsung Exynos Mobile Processors
CVE-2025-58346

5.5MEDIUM

Key Information:

Vendor

Samsung
Status
Exynos Mobile Processor and Wearable Processor
Vendor
CVE Published:
3 February 2026

What is CVE-2025-58346?

A vulnerability exists within the Wi-Fi driver of Samsung's Exynos mobile and wearable processors, notably affecting several versions, including the Exynos 980 and 850 series. This issue permits unbounded memory allocation during a write operation to /proc/driver/unifi0/send_addts, which can ultimately result in kernel memory exhaustion. This flaw can significantly impair system stability and performance, making immediate remediation crucial.

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References

https://semiconductor.samsung.com/support/quality-support...
https://semiconductor.samsung.com/support/quality-support...

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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