CVE-2017-6296
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedNVIDIA TrustZone Software contains a TOCTOU issue in the DRM application which may lead to the denial of service or possible escalation of privileges. This issue is rated as moderate.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceA Time-of-Check-Time-of-Use (TOCTOU) race condition vulnerability exists in NVIDIA TrustZone's DRM (Digital Rights Management) application. The vulnerability allows an attacker to exploit the window between when a security check is performed and when the result is used, potentially leading to denial of service or privilege escalation.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 6.2all versionsCVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- High
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the device and platformDetermine if the system is an Nvidia Shield TV device or an Android device running on NVIDIA hardware with TrustZone DRM supportAffected if The device is an Nvidia Shield TV or an Android device using NVIDIA TrustZone DRM modules
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Check Nvidia Shield TV firmware versionAccess the device settings to view the firmware/build number. Navigate to Settings > About > Device model or check system settings for the build versionAffected if Firmware version is 6.2 or earlier (versions <= 6.2 are affected)
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Verify NVIDIA TrustZone DRM presence on AndroidInspect the system for NVIDIA TrustZone DRM components - look for TEE (Trusted Execution Environment) implementations related to NVIDIA DRM in /vendor or /system partitionsAffected if NVIDIA TrustZone DRM modules are present and loaded on any Android version
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Confirm vulnerable TOCTOU window exposureReview if the TrustZone DRM application handles security-sensitive operations where a race condition between check and use could be triggeredAffected if The DRM application performs security checks without atomic enforcement, allowing the TOCTOU window to exist
A user is affected if they are running an Nvidia Shield TV with firmware <= 6.2, or any Android device with NVIDIA TrustZone DRM implemented, where the TOCTOU race condition in the DRM module can be triggered.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply NVIDIA's TrustZone firmware and driver updates when available; verify DRM module integrity and restrict access to TrustZone DRM functions to minimize attack surface.
- Consultation6.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $8,448.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-6296 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2017-6296 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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