Vulnerability · Published Aug 6, 2025 · Assigned by qualcomm
CVE-2025-21456Use After Free in NPU
High 7.8
In plain English
A high-severity use-after-free in Snapdragon from Qualcomm, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)<0.1%top 99.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Qualcomm, Inc. | Snapdragon | AR8035C-V2X 9150FastConnect 6900FastConnect 7800QAM8255PQAM8295PQAM8650PQAM8775P |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H