Stack-based Buffer OverflowWeakness · CWE-121

CVE-2024-3100

MEDIUM · 6.7 CVSS v3.1 Published 2024-09-13
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
69/100
Remediation priority · Elevated
Zero-click

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 · unedited
A potential buffer overflow vulnerability was reported in some Lenovo Notebook products that could allow a local attacker with elevated privileges to execute arbitrary code.

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 confidence

A buffer overflow vulnerability in Lenovo Notebook products allows a local attacker with already elevated privileges to execute arbitrary code. The attacker needs pre-existing elevated access, suggesting the flaw exists in a privileged component such as a driver, utility, or firmware.

MitigationApply the Lenovo-supplied BIOS/firmware or driver update for affected notebook models once released. Inventory all Lenovo notebooks in the environment to determine exposure.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS 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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify Lenovo notebook hardware in your environment
    Run systeminfo (Windows) or dmidecode -s system-product-name (Linux) to confirm the device is a Lenovo notebook
    Affected if The system is a Lenovo notebook product
  2. Check the installed BIOS/firmware version
    Run 'wmic bios get smbiosbiosversion' (Windows) or 'dmidecode -s bios-version' (Linux), or check within Lenovo Vantage under BIOS Update
    Affected if The BIOS version matches an affected version (compare to Lenovo's security advisory for CVE-2024-3100)
  3. Check for vulnerable Lenovo utility or driver components
    Inspect installed Lenovo software: look for Lenovo System Update, Lenovo Vantage, Lenovo Utility, or other Lenovo pre-installed applications in Program Files. Use 'Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* | Select-Object DisplayName' (Windows) or 'dpkg -l | grep -i lenovo' (Linux)
    Affected if A Lenovo utility, driver, or firmware component with this vulnerability is installed
  4. Verify elevated privileges exist in your environment
    Review user account permissions and check for accounts with admin/root-level access using 'whoami /all' (Windows) or 'id' (Linux)
    Affected if Local elevated (administrator/root) access is present, which is required to exploit this flaw

You are affected if you have a Lenovo notebook with an unpatched BIOS/firmware or vulnerable Lenovo utility installed, and an attacker already has elevated privileges on that system.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply the Lenovo-supplied BIOS/firmware or driver update for affected notebook models once released. Inventory all Lenovo notebooks in the environment to determine exposure.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation2.0 h
  • Testing3.0 h
  • Review / QA2.0 h
11.0 hours of engineering $1,970
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2024-3100 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-3100 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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