CVE-2025-54327
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 · uneditedAn issue was discovered in VTS in Samsung Mobile Processor and Wearable Processor Exynos 1280, 2200, 1380, W920, W930, W1000. Improper input validation in the VTS driver leads to an arbitrary write.
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 · high confidenceImproper input validation in the VTS (Video Transport Stream or Virtual Trusted Subsystem) driver on Samsung Exynos mobile and wearable processors (1280, 2200, 1380, W920, W930, W1000) allows an attacker to perform an arbitrary write operation, potentially leading to privilege escalation or code execution in a privileged context.
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 dataall versionsall versionsall 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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 Exynos processor modelCheck device specifications or system information to determine if the device uses an Exynos 1280, 1380, or 2200 processor. On Android devices, this may appear in /proc/cpuinfo or through diagnostic menus.Affected if Device contains an Exynos 1280, 1380, or 2200 processor
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Check VTS driver presenceInspect loaded kernel modules or driver list for the VTS (Video Transport Stream or Virtual Trusted Subsystem) driver. On Android, this may be visible in /proc/modules or through kernel debug interfaces.Affected if VTS driver is loaded and active on the system
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Verify firmware versionQuery the firmware version of the Exynos processor through vendor-specific diagnostic tools, bootloader information, or system firmware settings. Samsung devices may expose this through service menus or debug logs.Affected if Firmware version cannot be confirmed as patched by vendor (note: all versions of affected chipsets are currently vulnerable)
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Check for unexpected kernel memory writesReview kernel logs (dmesg, kernel message buffers) or security event logs for indicators of arbitrary write operations, memory corruption, or privilege escalation attempts originating from the VTS driver context.Affected if Logs show suspicious write operations or memory anomalies associated with VTS driver execution
A user is affected if their device contains an Exynos 1280, 1380, or 2200 processor with the VTS driver loaded, and the vendor firmware update has not been applied (all current firmware versions are vulnerable).
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 vendor-supplied firmware updates for affected Exynos processors; until then, limit exposure by restricting access to trusted application execution contexts where the VTS driver is invoked.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 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 $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-54327 — 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-2025-54327 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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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