Memory corruption via license-object TOCTOU race
Published Feb 6, 2024 · Updated Jun 17, 2025
Memory corruption in Qualcomm Snapdragon Trusted Execution Environment allows local users to cause unspecified impact via a license-object race. A time-of-check/time-of-use race affects deinitialization of an object used for license validation, corrupting memory when its state changes between the check and later use. Exploitation requires local low-privileged access and no user interaction; Qualcomm has not disclosed the concrete post-corruption outcome.
Summary
What happened
Memory corruption in Qualcomm Snapdragon Trusted Execution Environment allows local users to cause unspecified impact via a license-object race. A time-of-check/time-of-use race affects deinitialization of an object used for license validation, corrupting memory when its state changes between the check and later use. Exploitation requires local low-privileged access and no user interaction; Qualcomm has not disclosed the concrete post-corruption outcome.
The record
- CVE
- CVE-2023-33046
- Published
- Feb 6, 2024
- Updated
- Jun 17, 2025
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-367
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Feb 6, 2024CVE publishedPublication date reported by the CVE source.
- Jun 17, 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=AR8035
- Affected versionversion=FastConnect 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=Flight RB5 5G Platform
- Affected versionversion=QAM8295P
- Affected versionversion=QCA6391
- Affected versionversion=QCA6574AU
- Affected versionversion=QCA6595
- Affected versionversion=QCA6696
- Affected versionversion=QCA6698AQ
- Affected versionversion=QCA8081
- Affected versionversion=QCA8337
- Affected versionversion=QCM8550
- Affected versionversion=QCN6024
- Affected versionversion=QCN9011
- Affected versionversion=QCN9012
- Affected versionversion=QCN9024
- Affected versionversion=QCS7230
- Affected versionversion=QCS8250
- Affected versionversion=QCS8550
- Affected versionversion=QRB5165M
- Affected versionversion=QRB5165N
- Affected versionversion=Qualcomm Video Collaboration VC5 Platform
- Affected versionversion=Robotics RB5 Platform
- Affected versionversion=SA8295P
- Affected versionversion=SA8540P
- Affected versionversion=SA9000P
- Affected versionversion=SG8275P
- Affected versionversion=SM8550P
- Affected versionversion=Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB)
- Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
- Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
- Affected versionversion=Snapdragon AR2 Gen 1 Platform
- Affected versionversion=Snapdragon X65 5G Modem-RF System
- Affected versionversion=Snapdragon X70 Modem-RF System
- Affected versionversion=SSG2115P
- Affected versionversion=SSG2125P
- Affected versionversion=SXR1230P
- Affected versionversion=SXR2230P
- Affected versionversion=WCD9380
- Affected versionversion=WCD9385
- Affected versionversion=WCD9390
- Affected versionversion=WCD9395
- 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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