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HIGH · 7.8

CVE-2025-21436

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

Vulnerability Description

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

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
QualcommFastconnect 7800 Firmware-
QualcommFastconnect 7800-
QualcommQmp1000 Firmware-
QualcommQmp1000-
QualcommSm8735 Firmware-
QualcommSm8735-
QualcommSm8750 Firmware-
QualcommSm8750-
QualcommSm8750P Firmware-
QualcommSm8750P-
QualcommSnapdragon 8 Gen 3 Mobile Platform Firmware-
QualcommSnapdragon 8 Gen 3 Mobile Platform-
QualcommSnapdragon W5\+ Gen 1 Wearable Platform Firmware-
QualcommSnapdragon W5\+ Gen 1 Wearable Platform-
QualcommSw5100 Firmware-
QualcommSw5100-
QualcommSw5100P Firmware-
QualcommSw5100P-
QualcommSxr2330P Firmware-
QualcommSxr2330P-

Related Weaknesses (CWE)

CWE-416

References

FAQ

What is CVE-2025-21436?

CVE-2025-21436 is a vulnerability with a CVSS score of 7.8 (HIGH). Memory corruption may occur while initiating two IOCTL calls simultaneously to create processes from two different threads.

How severe is CVE-2025-21436?

CVE-2025-21436 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-21436?

Check the references section above for vendor advisories and patch information. Affected products include: Qualcomm Fastconnect 7800 Firmware, Qualcomm Fastconnect 7800, Qualcomm Qmp1000 Firmware, Qualcomm Qmp1000, Qualcomm Sm8735 Firmware.