CVE-2025-52516 Samsung CVE debrief

Who should care

Defenders responsible for Samsung Exynos processor-based systems, including those used in mobile devices and wearables, should assess exposure and prioritize patching or mitigation.

Why it matters

CVE-2025-52516 is a medium-severity denial of service vulnerability in Samsung Exynos processors. Defenders should prioritize inventory checks, patching, and monitoring system logs to mitigate potential risks.

• Denial of service attempts may lead to system crashes or instability
• Successful exploitation requires local access to the vulnerable system
• Verification of affected versions and patching status is necessary
• Remediation priority is medium due to the potential for system disruption

Technical summary

The issimian device driver in Samsung Exynos processors has an invalid kernel address dereference vulnerability, leading to a denial of service. Affected processors include Exynos 1330, 1380, 1480, 2400, 1580, and 2500. This vulnerability requires local access to the vulnerable system and can result in system disruption. Verification of affected versions and patching status is necessary.

Defensive priority

Medium priority for inventory checks and patching

Recommended defensive actions

• Inventory and triage of affected Exynos processor-based systems
• Patching or upgrading to fixed versions, if available
• Monitoring system logs for potential denial of service attempts

Evidence notes

The NVD entry for CVE-2025-52516 provides details on the vulnerability, including its CVSS score and vector. Samsung has also provided advisories for this issue.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.