Memory corruption via unaligned DSP page transfer
Published Jan 6, 2026 · Updated Jan 6, 2026
Memory corruption in Qualcomm Snapdragon DSP service allows local users to corrupt memory by passing pages from an unaligned address. The page-transfer path accepts an unaligned starting address and copies page data without adequately checking the destination buffer size. Low-privilege local access is required; successful exploitation compromises confidentiality, integrity, and availability in the affected component.
Summary
What happened
Memory corruption in Qualcomm Snapdragon DSP service allows local users to corrupt memory by passing pages from an unaligned address. The page-transfer path accepts an unaligned starting address and copies page data without adequately checking the destination buffer size. Low-privilege local access is required; successful exploitation compromises confidentiality, integrity, and availability in the affected component.
The record
- CVE
- CVE-2025-47388
- Published
- Jan 6, 2026
- Updated
- Jan 6, 2026
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-120, T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Jan 6, 2026CVE publishedPublication date reported by the CVE source.
- Jan 6, 2026Record 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 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=QCS610
- Affected versionversion=QMP1000
- Affected versionversion=Qualcomm Video Collaboration VC1 Platform
- Affected versionversion=Qualcomm Video Collaboration VC3 Platform
- Affected versionversion=SG6150
- Affected versionversion=SG6150P
- 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=WCN3980
- 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
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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