7.8
High
CVE-2025-21456 Use After Free in NPU
Description
Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently.
CVSS 3.1 detail
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitable with local access to the machine, with an ordinary account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- Interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Snapdragon | Versions not published |
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