Home/CVE/Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.
CVE

CVE-2025-21458

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.

HIGH · CVSS 7.8 EPSS 0.00068
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

24
qualcomm fastconnect 6900 firmwareall versions
qualcomm qam8255p firmwareall versions
qualcomm qam8650p firmwareall versions
qualcomm qam8775p firmwareall versions
qualcomm qca6174a firmwareall versions
qualcomm qca6698aq firmwareall versions
qualcomm qca6797aq firmwareall versions
qualcomm sa7255p firmwareall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · product-security@qualcomm.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Aug 2025 · 08:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.htmlPatchVendor Advisory
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