Memory corruption via unreleased allocation mutex
Published Oct 9, 2025 · Updated Oct 9, 2025
Use-after-free in the Qualcomm Snapdragon DSP service allows local users to corrupt memory while allocating DSP buffers. The fastrpc_map_create error path returns without unlocking map_mutex, leaving the DSP buffer-mapping operation under a retained mutex. Low-privileged local access is required; successful exploitation can expose or alter protected memory or crash the affected device.
Summary
What happened
Use-after-free in the Qualcomm Snapdragon DSP service allows local users to corrupt memory while allocating DSP buffers. The fastrpc_map_create error path returns without unlocking map_mutex, leaving the DSP buffer-mapping operation under a retained mutex. Low-privileged local access is required; successful exploitation can expose or alter protected memory or crash the affected device.
The record
- CVE
- CVE-2025-47354
- Published
- Oct 9, 2025
- Updated
- Oct 9, 2025
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-416
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Oct 9, 2025CVE publishedPublication date reported by the CVE source.
- Oct 9, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=FastConnect 6200
- Affected versionversion=FastConnect 6700
- Affected versionversion=FastConnect 7800
- Affected versionversion=QMP1000
- Affected versionversion=SM6475
- Affected versionversion=SM7435
- Affected versionversion=SM8735
- Affected versionversion=SM8750
- Affected versionversion=SM8750P
- Affected versionversion=Snapdragon 4 Gen 2 Mobile Platform
- Affected versionversion=Snapdragon 6 Gen 1 Mobile Platform
- Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
- Affected versionversion=SW5100
- Affected versionversion=SW5100P
- Affected versionversion=SXR2330P
- Affected versionversion=SXR2350P
- Affected versionversion=WCD9370
- Affected versionversion=WCD9375
- Affected versionversion=WCD9378
- Affected versionversion=WCD9380
- Affected versionversion=WCD9385
- Affected versionversion=WCD9395
- Affected versionversion=WCN3950
- Affected versionversion=WCN3988
- Affected versionversion=WCN6755
- Affected versionversion=WCN7750
- Affected versionversion=WCN7860
- Affected versionversion=WCN7861
- Affected versionversion=WCN7880
- Affected versionversion=WCN7881
- Affected versionversion=WSA8810
- Affected versionversion=WSA8815
- Affected versionversion=WSA8830
- Affected versionversion=WSA8832
- Affected versionversion=WSA8835
- Affected versionversion=WSA8840
- Affected versionversion=WSA8845
- Affected versionversion=WSA8845H
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
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Technologies
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