CVE-2025-47389 Qualcomm, Inc. CVE debrief

Who should care

Defenders responsible for Qualcomm device inventory management, patch management, and vulnerability assessment should prioritize verifying device exposure and applying patches or updates.

Why it matters

CVE-2025-47389 is a high-severity vulnerability affecting Qualcomm devices, allowing for potential memory corruption during attestation report generation. Defenders should verify device exposure, apply patches, and monitor for potential issues.

• Memory corruption during attestation report generation can lead to denial of service or potential privilege escalation
• Verification of device inventory and firmware versions is necessary to determine exposure
• Patching or updating affected firmware versions can mitigate the vulnerability
• Further analysis is required to determine the full scope of affected devices and potential impact

Technical summary

Memory corruption vulnerability during buffer copy operation due to integer overflow when generating attestation reports. This issue affects various Qualcomm devices with specific firmware versions. The vulnerability can lead to denial of service or potential privilege escalation. Verification of device inventory and firmware versions is necessary to determine exposure. Patching or updating affected firmware versions can mitigate the vulnerability.

Defensive priority

Qualcomm devices using the affected firmware require verification and potential patching to prevent memory corruption during attestation report generation.

Recommended defensive actions

• Verify device inventory for affected Qualcomm firmware versions
• Assess exposure based on device usage and deployment context
• Apply patches or updates provided by Qualcomm
• Monitor for potential memory corruption issues during attestation report generation

Evidence notes

The CVE Program record and NVD vulnerability detail provide information on the memory corruption vulnerability during buffer copy operation due to integer overflow. Qualcomm's security bulletin for April 2026 also provides additional context.

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.