CVE-2024-53034
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 occurs during an Escape call if an invalid Kernel Mode CPU event and sync object handle are passed with the DriverKnownEscape flag reset.
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 confidenceThis is a Windows kernel/driver vulnerability where memory corruption occurs during an Escape call when an invalid Kernel Mode CPU event and sync object handle are passed while the DriverKnownEscape flag is reset (not set). The lack of proper validation on these parameters leads to 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 Qualcomm drivers on the systemOpen Device Manager, expand categories like 'Network adapters', 'Sound, video and game controllers', or 'System devices' and look for Qualcomm components such as Fastconnect, WCD, WSA, or anything mentioning Qualcomm. Alternatively, run 'driverquery /v' from an elevated command prompt and search for Qualcomm-named drivers.Affected if Any Qualcomm driver matching the affected firmware product names (Fastconnect 6900/7800, Sc8380xp, Wcd9380/9385, Wsa8840/8845/8845h) is present on the system
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Check Qualcomm driver file versionsRight-click each identified Qualcomm driver in Device Manager, select Properties, go to the Driver tab, and note the Driver Version. For command-line access, use 'wmic path win32_pnpsigneddriver' to list drivers and filter for Qualcomm names, or check the .sys file properties in C:\Windows\System32\drivers if the driver file is visible.Affected if The driver version corresponds to firmware that has not been patched, since all versions of the affected firmware are vulnerable
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Verify the vulnerable driver is loadedOpen an elevated command prompt and run 'sc query type= driver' to list loaded drivers, then search the output for keywords like 'fastconnect', 'wcd', 'wsa', or 'qualcomm'. Alternatively, use 'driverscope' or 'Autoruns' to enumerate kernel drivers.Affected if A Qualcomm driver handling the Escape call interface is actively loaded in kernel mode, making the memory corruption vulnerability reachable
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Check for the Escape call interfaceSince this is a kernel driver vulnerability triggered via Escape calls with specific parameters (Kernel Mode CPU event and sync object handle), a defender would need access to driver debugging tools or logs. Check Windows Event Viewer or debug logs for any crash dumps (BSOD) mentioning Qualcomm driver failures, or use tools like WinDbg to examine the driver's IOCTL or Escape handler if you have direct kernel debugging set up.Affected if The system has triggered or logged any Qualcomm driver Escape call failures, or debugging reveals the driver is processing Escape calls with the DriverKnownEscape flag in a reset (unset) state
If any Qualcomm Fastconnect, WCD, or WSA driver corresponding to the affected firmware products is present and loaded on the system, the environment is potentially affected since all versions of these products are vulnerable to memory corruption during Escape calls when the DriverKnownEscape flag is not set.
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 dataOrganizations should apply vendor-provided patches for affected drivers. Until patched, restrict access to vulnerable driver interfaces and monitor for unusual Escape call patterns.
- Consultation4.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-53034 — 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-2024-53034 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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- Version or environment caveats, and links to real fixes
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