What’s Vulnerable › Vulnerabilities

CVE-2025-21436: Use After Free in DSP Service

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-07 · updated 2026-06-17
• Weakness: CWE-416

Description

Memory corruption may occur while initiating two IOCTL calls simultaneously to create processes from two different threads.

Affected products

• Qualcomm Fastconnect 7800 Firmware: all versions
• Qualcomm Qmp1000 Firmware: all versions
• Qualcomm Sm8735 Firmware: all versions
• Qualcomm Sm8750 Firmware: all versions
• Qualcomm Sm8750P Firmware: all versions
• Qualcomm Snapdragon 8 Gen 3 Mobile Platform Firmware: all versions
• Qualcomm Snapdragon W5+ Gen 1 Wearable Platform Firmware: all versions
• Qualcomm Sw5100 Firmware: all versions
• Qualcomm Sw5100P Firmware: all versions
• Qualcomm Sxr2330P Firmware: all versions
• Qualcomm Wcd9378 Firmware: all versions
• Qualcomm Wcd9380 Firmware: all versions
• Qualcomm Wcd9390 Firmware: all versions
• Qualcomm Wcd9395 Firmware: all versions
• Qualcomm Wcn7750 Firmware: all versions
• Qualcomm Wcn7860 Firmware: all versions
• Qualcomm Wcn7861 Firmware: all versions
• Qualcomm Wcn7880 Firmware: all versions
• Qualcomm Wcn7881 Firmware: all versions
• Qualcomm Wsa8830 Firmware: all versions
• Qualcomm Wsa8832 Firmware: all versions
• Qualcomm Wsa8835 Firmware: all versions
• Qualcomm Wsa8840 Firmware: all versions
• Qualcomm Wsa8845 Firmware: all versions
• Qualcomm Wsa8845H Firmware: all versions

References

• https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html

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