CVE-2022-33224
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 · uneditedMemory corruption in core due to buffer copy without check9ing the size of input while processing ioctl queries.
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 confidenceMemory corruption vulnerability in the core system component caused by performing buffer copies without validating input size before processing ioctl queries, leading to potential buffer overflow and memory corruption.
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 versionsall versionsall versionsall 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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/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 Qualcomm chipset model in your deviceCheck your device specifications, system information, or hardware documentation to determine which Qualcomm chipset (Aqt1000, Wcn3991, Wcn3998, Wcn685x, Wcn785x, or Qam8255p) is presentAffected if Your device contains any of the listed chipsets (Aqt1000, Wcn3991, Wcn3998, Wcn685x 1/5, Wcn785x 1/5, or Qam8255p)
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Determine the firmware version installed on the Qualcomm chipsetAccess your device's firmware or system information panel, or use device-specific diagnostic commands to retrieve the installed firmware version for your Qualcomm componentAffected if The installed firmware version matches any of the affected products listed (all versions of Aqt1000, Wcn3991, Wcn3998, Wcn685x 1/5, Wcn785x 1/5, or Qam8255p)
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Verify the ioctl handler is in useCheck if your device configuration enables or utilizes the ioctl interface for communication with the Qualcomm core system componentAffected if The device uses ioctl queries to communicate with the affected core system component
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Confirm buffer copy operations occur without size validationReview system logs, conduct dynamic analysis of ioctl handler behavior, or inspect firmware configuration to determine if buffer size validation is performed before buffer copy operationsAffected if Buffer copy operations in ioctl handlers lack proper size validation against destination buffer sizes
Your device is affected if it contains any of the listed Qualcomm chipsets (Aqt1000, Wcn3991, Wcn3998, Wcn685x, Wcn785x, or Qam8255p) with any firmware version, and the ioctl interface with unvalidated buffer operations is active.
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 dataImplement proper bounds checking and size validation before buffer copy operations in ioctl handlers, ensuring all input sizes are validated against destination buffer sizes.
- Consultation8.0 h
- Implementation16.0 h
- Testing24.0 h
- Review / QA12.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $16,384.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-33224 — 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-2022-33224 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
- No spam, self-promotion, credentials, or personal data