Home/CVE/Memory Corruption when using deprecated DMABUF IOCTL calls to manage video memory.
CVE

CVE-2026-21380

Memory Corruption when using deprecated DMABUF IOCTL calls to manage video memory.

Memory Corruption when using deprecated DMABUF IOCTL calls to manage video memory.

HIGH · CVSS 7.8 EPSS 0.00015
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

23
qualcomm cologne firmwareall versions
qualcomm fastconnect 6900 firmwareall versions
qualcomm fastconnect 7800 firmwareall versions
qualcomm qca0000 firmwareall versions
qualcomm sc8380xp firmwareall versions
qualcomm snapdragon ar1 gen 1 platform firmwareall versions
qualcomm wcd9378c firmwareall versions
qualcomm wcd9380 firmwareall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · product-security@qualcomm.com
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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 Apr 2026 · 04:16 PM
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/april-2026-bulletin.htmlVendor Advisory
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