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14 results

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CVE-2025-21456Use After Free in NPU

Description

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

Timeline

  1. ID reserved

    By qualcomm

  2. · 8 months later

    Published

  3. · 15 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-21456, by who scored it
Scored byCVSSScoreVector
qualcommCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.10% · top 99% of all CVEs (13 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Qualcomm, Inc. · Snapdragon

    • affected AR8035
    • affected C-V2X 9150
    • affected FastConnect 6900
    • affected FastConnect 7800
    • affected QAM8255P
    • affected QAM8295P
    • affected QAM8650P
    • affected QAM8775P
    • affected QCA6174A
    • affected QCA6574AU
    • affected QCA6584AU
    • affected QCA6696
    • affected QCA6698AQ
    • affected QCA6797AQ
    • affected QCA8081
    • affected QCA8337
    • affected QCC710
    • affected QCN6224
    • affected QCN6274
    • affected QCS410
    • affected QCS610
    • affected QFW7114
    • affected QFW7124
    • affected Qualcomm Video Collaboration VC1 Platform
    • affected Qualcomm Video Collaboration VC3 Platform
    • affected SA6145P
    • affected SA6150P
    • affected SA6155P
    • affected SA7255P
    • affected SA7775P
    • affected SA8145P
    • affected SA8150P
    • affected SA8155P
    • affected SA8195P
    • affected SA8255P
    • affected SA8295P
    • affected SA8530P
    • affected SA8540P
    • affected SA8620P
    • affected SA8650P
    • and 24 more

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2025-21456 badge
[![CVE-2025-21456](https://cveledger.app/badge/CVE-2025-21456.svg)](https://cveledger.app/cve/CVE-2025-21456)

Record last updated .