CVE-2025-21458
Use After Free in NPU
Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Use After Free in NPU
Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.
- Record
CVE-2025-21458- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2025-23806
Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.
- Record
EUVD-2025-23806- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fp8f-972w-5xq2
Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.
Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.
- Record
GHSA-fp8f-972w-5xq2- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
NVD
Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.
- Record
CVE-2025-21458- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
Affected products
- qualcomm fastconnect 6900 firmware
- qualcomm qam8255p firmware
- qualcomm qam8650p firmware
- qualcomm qam8775p firmware
- qualcomm qca6174a firmware
- qualcomm qca6698aq firmware
- qualcomm qca6797aq firmware
- qualcomm sa7255p firmware
- qualcomm sa7775p firmware
- qualcomm sa8255p firmware
- qualcomm sa8620p firmware
- qualcomm sa8650p firmware
Show 13 moreShow less
- qualcomm sa8775p firmware
- qualcomm sa9000p firmware
- qualcomm snapdragon 888\+ 5g mobile platform \(sm8350-ac\) firmware
- qualcomm snapdragon 888 5g mobile platform firmware
- qualcomm sw5100 firmware
- qualcomm sw5100p firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcn3980 firmware
- qualcomm wcn3988 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8835 firmware
- qualcomm, inc. snapdragon
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-21458 is a high vulnerability (CVSS 7.8) in Qualcomm Fastconnect 6900 Firmware, published August 6, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 0th percentile. No source names a fixed version.