Certificate-chain exposure via shared VM reference
Published Mar 2, 2026 · Updated Mar 2, 2026
Cryptographic isolation failure in Qualcomm Snapdragon firmware allows local users to read or alter boot-loader certificate-chain data. A shared virtual-machine reference crosses the HLOS-to-boot-loader trust boundary and exposes the certificate chain to the HLOS. Low-privileged local code can reach this boot-time trust material without user interaction, while no service interruption is reported.
Summary
What happened
Cryptographic isolation failure in Qualcomm Snapdragon firmware allows local users to read or alter boot-loader certificate-chain data. A shared virtual-machine reference crosses the HLOS-to-boot-loader trust boundary and exposes the certificate chain to the HLOS. Low-privileged local code can reach this boot-time trust material without user interaction, while no service interruption is reported.
The record
- CVE
- CVE-2025-47378
- Published
- Mar 2, 2026
- Updated
- Mar 2, 2026
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-497, T1005
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Mar 2, 2026CVE publishedPublication date reported by the CVE source.
- Mar 2, 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=Cologne
- Affected versionversion=FastConnect 6700
- Affected versionversion=FastConnect 6800
- Affected versionversion=FastConnect 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=LeMansAU
- Affected versionversion=LeMans_AU_LGIT
- Affected versionversion=Pandeiro
- Affected versionversion=QAM8255P
- Affected versionversion=QAMSRV1H
- Affected versionversion=QAMSRV1M
- Affected versionversion=QCA6391
- Affected versionversion=QCA6595
- Affected versionversion=QCA6595AU
- Affected versionversion=QCA6696
- Affected versionversion=QCA6698AQ
- Affected versionversion=QCA6797AQ
- Affected versionversion=QLN1083BD
- Affected versionversion=QLN1086BD
- Affected versionversion=QPA1083BD
- Affected versionversion=QPA1086BD
- Affected versionversion=QXM1083
- Affected versionversion=QXM1086
- Affected versionversion=QXM1093
- Affected versionversion=QXM1094
- Affected versionversion=QXM1095
- Affected versionversion=QXM1096
- Affected versionversion=SA7255P
- Affected versionversion=SA7775P
- Affected versionversion=SA8255P
- Affected versionversion=SA8620P
- Affected versionversion=SA8770P
- Affected versionversion=SA9000P
- Affected versionversion=SAR1165P
- Affected versionversion=SAR1250P
- Affected versionversion=SAR2130P
- Affected versionversion=SAR2230P
- Affected versionversion=SD865 5G
- Affected versionversion=Snapdragon 865 5G Mobile Platform
- Affected versionversion=Snapdragon 865+ 5G Mobile Platform
- Affected versionversion=Snapdragon 870 5G Mobile Platform
- Affected versionversion=Snapdragon 8 Elite Gen 5
- Affected versionversion=Snapdragon AR1 Gen 1 Platform
- Affected versionversion=Snapdragon AR1+ Gen 1 Platform
- Affected versionversion=Snapdragon X55 5G Modem-RF System
- Affected versionversion=Snapdragon XR2 5G Platform
- Affected versionversion=Snapdragon XR2+ Gen 1 Platform
- Affected versionversion=SRV1H
- Affected versionversion=SRV1M
- Affected versionversion=SXR2230P
- Affected versionversion=SXR2250P
- Affected versionversion=WCD9378C
- Affected versionversion=WCD9380
- Affected versionversion=WCD9385
- Affected versionversion=WCD9395
- Affected versionversion=WCN3950
- Affected versionversion=WCN7860
- Affected versionversion=WCN7861
- Affected versionversion=WSA8810
- Affected versionversion=WSA8815
- Affected versionversion=WSA8830
- Affected versionversion=WSA8832
- Affected versionversion=WSA8835
- Affected versionversion=WSA8840
- Affected versionversion=WSA8845
- Affected versionversion=WSA8845H
- Affected versionversion=X2000077
- Affected versionversion=X2000086
- Affected versionversion=X2000090
- Affected versionversion=X2000092
- Affected versionversion=X2000094
- Affected versionversion=XG101002
- Affected versionversion=XG101032
- Affected versionversion=XG101039
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
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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