CVE-2023-32870
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 · uneditedIn display drm, there is a possible out of bounds read due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07363740; Issue ID: ALPS07363740.
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 confidenceA missing bounds check in the Linux kernel's Direct Rendering Manager (DRM) display subsystem allows an out-of-bounds read, which can be exploited for local privilege escalation from System privileges. This is a kernel-level vulnerability in the graphics/display stack.
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= 12.0= 13.0CVSS 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
- Low
- Privileges
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:H/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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Check Android OS versionGo to Settings > About Phone > Android version or run 'getprop ro.build.version.release' via ADBAffected if The reported version is exactly 12.0 or 13.0
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Verify kernel-level DRM componentCheck if the device is running a kernel with DRM display subsystem (typically present on all Android devices with GPU/display)Affected if The device uses the Linux kernel DRM subsystem for graphics (standard on most Android devices)
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Confirm System or root access contextReview the threat model: determine if untrusted code could run with System-level privileges or if the device runs multi-tenant workloadsAffected if Untrusted applications can obtain System privileges or the device hosts containers/workspace with code isolation
A device is affected if it runs Android version exactly 12.0 or exactly 13.0 and an attacker can execute code at System privilege level to trigger the DRM bounds check flaw.
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.
dbcve · scopedApply the vendor-supplied kernel patch (ALPS07363740) or update to a kernel version containing this fix. Given the System privilege requirement, this primarily affects multi-tenant or containerized environments where attackers may have limited initial access.
Android 12.0/13.0 with subsequent Security Patch Level containing ALPS07363740 (contact device manufacturer for specific version)
- Check for system updates on the affected Android device and install the latest available security patch level
- Verify the device has the MediaTek security update containing patch ID ALPS07363740 installed
- Confirm the update includes the fix for CVE-2023-32870 in the MediaTek display DRM component
- If OTA updates are not available, contact the device manufacturer or MediaTek for the patched driver/firmware
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing6.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,808.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-32870 — 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-2023-32870 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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