CVE-2024-55408
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 · uneditedAn improper access control vulnerability in the AsusSAIO.sys driver may lead to the misuse of software functionality utilizing the driver when crafted IOCTL requests are supplied.
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 confidenceThe AsusSAIO.sys driver contains an improper access control vulnerability that allows attackers to send crafted IOCTL (I/O Control) requests to misuse the driver's functionality. Since this is a kernel-mode driver, successful exploitation could lead to privilege escalation or arbitrary code execution in kernel context.
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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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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Locate the AsusSAIO.sys driver fileSearch for the driver file on the system using file explorer or command line: dir /s C:\Windows\System32\drivers\AsusSAIO.sys (on Windows) or find / -name "AsusSAIO.sys" 2>/dev/null (on Linux)Affected if The AsusSAIO.sys file exists on the system, indicating the driver is installed
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Retrieve the driver file versionRight-click the AsusSAIO.sys file, select Properties, then view the Details tab to see the File Version; alternatively use PowerShell: (Get-Item "C:\Windows\System32\drivers\AsusSAIO.sys").VersionInfoAffected if The driver version cannot be determined or differs from the latest Asus-provided version
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Check if the driver is currently loadedOn Windows, open an elevated command prompt and run: sc query AsusSAIO; on PowerShell run: Get-Service -Name AsusSAIO -ErrorAction SilentlyContinueAffected if The driver service exists and is running on the system
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Verify device object access permissionsUse the Windows command line to check device permissions: accesschk.exe -kvw "\Device\AsusSAIO" (requires Sysinternals AccessChk) or inspect the security descriptor via PowerShell: Get-Acl "\\.\AsusSAIO" -ErrorAction SilentlyContinueAffected if The device object grants overly permissive access to non-privileged users or groups
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Review system event logs for suspicious IOCTL activityOpen Event Viewer and navigate to Windows Logs > System, then filter for events with Source "AsusSAIO" or kernel-related error messages; also check Security logs for privilege escalation attemptsAffected if Unusual or unauthorized IOCTL requests are logged, indicating potential exploitation attempts
If the AsusSAIO.sys driver is present and loaded on the system, the environment is potentially affected by this vulnerability until the driver is updated to the latest version or confirmed as patched by Asus.
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 dataUpdate the AsusSAIO.sys driver to the latest version provided by Asus, or disable the driver if not required. Restrict user access to the driver device where possible until the patch is applied.
- Consultation2.0 h
- Implementation2.0 h
- Testing4.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,464.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-55408 — 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-2024-55408 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
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