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Back to active CVEs
High · CVSS 7.8CVE-2025-21456

Use After Free in NPUCVE-2025-21456

Answer in brief

CVE-2025-21456 records a High severity (CVSS 7.8) vulnerability in Use After Free in NPU. The current sources do not mark it as known exploited. The current feed maps Qualcomm, Inc./Snapdragon (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 6, 2025Updated Nov 3, 2026Source checked Nov 3, 2026First seen by HOL Nov 3, 2026Material review Nov 3, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Qualcomm, Inc./Snapdragon (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Qualcomm, Inc./SnapdragongenericAR8035 || C-V2X 9150 || FastConnect 6900 || FastConnect 7800 || QAM8255P || QAM8295P || QAM8650P || QAM8775P || QCA6174A || QCA6574AU || QCA6584AU || QCA6696 || QCA6698AQ || QCA6797AQ || QCA8081 || QCA8337 || QCC710 || QCN6224 || QCN6274 || QCS410 || QCS610 || QFW7114 || QFW7124 || Qualcomm Video Collaboration VC1 Platform || Qualcomm Video Collaboration VC3 Platform || SA6145P || SA6150P || SA6155P || SA7255P || SA7775P || SA8145P || SA8150P || SA8155P || SA8195P || SA8255P || SA8295P || SA8530P || SA8540P || SA8620P || SA8650P || SA8775P || SA9000P || Snapdragon 888 5G Mobile Platform || Snapdragon 888+ 5G Mobile Platform (SM8350-AC) || Snapdragon Auto 5G Modem-RF Gen 2 || Snapdragon W5+ Gen 1 Wearable Platform || Snapdragon X72 5G Modem-RF System || Snapdragon X75 5G Modem-RF System || SW5100 || SW5100P || WCD9340 || WCD9341 || WCD9370 || WCD9380 || WCD9385 || WCN3660B || WCN3680B || WCN3950 || WCN3980 || WCN3988 || WSA8810 || WSA8815 || WSA8830 || WSA8835Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Qualcomm, Inc./Snapdragon.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 6, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 3, 2026

Sources and claim methodology

  • Source referencedocs.qualcomm.com
Upstream source description

Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Use-after-free vulnerability in GitHub Enterprise Server allowed remote code execution in the Git serviceAlso CWE-416

Record context

Vulnerability class
Memory Corruption
EPSS
Not reported
CWE IDs
CWE-416
Source
CVE List V5
Source checked
Nov 3, 2026
References
1 linked source
Open source record