CVE-2024-33056
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 when allocating and accessing an entry in an SMEM partition continuously.
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 confidenceMemory corruption vulnerability in SMEM (Shared Memory) partition handling that occurs when entries are allocated and accessed continuously, likely due to a race condition or improper synchronization during rapid allocation cycles.
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 chipset modelCheck the device hardware specifications, bootloader, or system information to determine if the modem or wireless chipset is one of the following: Qualcomm 315 5G IoT Modem, Qualcomm 9205 LTE Modem, Qualcomm 9206 LTE Modem, Qualcomm 9207 LTE Modem, Fastconnect 6200, Fastconnect 6700, Fastconnect 6800, or Fastconnect 6900Affected if The device uses any of the listed Qualcomm chipsets
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Check the firmware versionRetrieve the firmware version from the modem or wireless driver using commands such as 'at+cgmr' for modems, or check system logs, /proc/version, or vendor-specific tools that display the installed Qualcomm firmware revisionAffected if The firmware version matches any of the affected chipset models regardless of version number (all versions are affected)
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Verify SMEM partition configurationExamine the system memory layout or SMEM (Shared Memory) partition tables via debug interfaces, /proc/smem, or vendor diagnostic tools to confirm SMEM partitions are present and allocatedAffected if SMEM partitions are configured and actively used by the system
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Monitor for SMEM-related memory corruption symptomsReview system logs, kernel messages, or crash dumps for indicators of memory corruption specifically related to SMEM entry allocation, such as unexpected crashes during rapid data transfers, memory access violations in SMEM handlers, or anomalous behavior during concurrent SMEM operationsAffected if The system exhibits memory corruption or instability during intensive SMEM allocation cycles
A user is affected if their device contains any of the listed Qualcomm chipsets (315 5G IoT, 9205/9206/9207 LTE, or Fastconnect 6200/6700/6800/6900) and utilizes SMEM partition functionality, regardless of firmware version.
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 locking and synchronization mechanisms around SMEM partition entry allocation and access patterns to prevent race conditions; validate all memory access boundaries before read/write operations.
- Consultation4.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,040.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-33056 — 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-2024-33056 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
- No spam, self-promotion, credentials, or personal data