CVE-2022-4990: ** UNSUPPORTED WHEN ASSIGNED ** Improper Validation of Specified Quantity in Input in the ASUS AI Suite 3 d...
** UNSUPPORTED WHEN ASSIGNED ** Improper Validation of Specified Quantity in Input in the ASUS AI Suite 3 driver allows a local user to bypass security validation and access restricted memory blocks via crafted IOCTL requests, leading to privilege escalation.
Security readout for executives and security teams
Plain-English summary
ASUS AI Suite 3, a tuning utility for ASUS motherboards, ships with a driver that fails to properly validate input. A user who already has a foothold on the machine can send crafted requests to the driver and gain full administrator control. ASUS marked the product unsupported when this issue was assigned, so a vendor fix may not be forthcoming.
Executive priority
Treat as a targeted cleanup task, not an enterprise emergency. Prioritize removal from developer, engineering, and executive workstations that were self-built or use ASUS motherboards. Because ASUS declared the product unsupported when the CVE was assigned, plan for uninstall rather than patch, and fold this driver into your broader vulnerable-driver blocking program.
Technical view
The ASUS AI Suite 3 kernel driver improperly validates the size or bounds of input passed through IOCTL requests (CWE-1284), letting a local low-privileged user reach restricted memory blocks. Successful exploitation yields privilege escalation from a local user context to SYSTEM-level control. CVSS 4.0 is 7.3 with AV:L/AC:H/PR:L/UI:N and high impact to confidentiality, integrity, and availability of the vulnerable system.
Likely exposure
Exposure is limited to Windows endpoints where ASUS AI Suite 3 has been installed, typically enthusiast, workstation, or engineering machines with ASUS motherboards. Servers and managed corporate fleets rarely carry this utility. Because ASUS lists the product as unsupported when this CVE was assigned, some installed base likely remains without an upcoming patch.
Exploitation context
No public evidence in the provided bundle shows active exploitation, and the issue is not listed in CISA KEV. The attack requires local access with at least low-level user privileges, and CVSS marks attack complexity as high. Similar vulnerable ASUS drivers have historically been abused in bring-your-own-vulnerable-driver (BYOVD) scenarios by attackers already on the host to defeat endpoint controls.
Researcher notes
Root cause is CWE-1284, improper validation of specified quantity in input, in an IOCTL handler that exposes restricted memory blocks. The driver pattern fits the well-known class of ASUS tuning drivers abused for arbitrary read/write and BYOVD. Attack complexity is marked high in CVSS 4.0, suggesting some race or timing prerequisite. No CPEs are enumerated and the affected version list is empty, so treat any AI Suite 3 install as suspect until vendor guidance clarifies scope.
Mitigation direction
Inventory endpoints for ASUS AI Suite 3 and its bundled driver, then remove the software from any host that does not need it.
Check https://www.asus.com/security-advisory for vendor guidance, updated drivers, or replacement tooling.
Add the vulnerable driver hash to Microsoft's vulnerable driver blocklist and any EDR driver-block policies.
Restrict local administrative access and enforce least privilege so low-privileged users cannot easily load or interact with the driver.
Where the utility is not business-critical, retire it given the unsupported status rather than waiting for a fix.
Validation and detection
Query endpoint management or EDR for installed ASUS AI Suite 3 versions and the presence of its driver service or file.
Confirm the vulnerable driver is blocked by policy (Microsoft vulnerable driver blocklist, WDAC, or EDR driver controls) after remediation.
Verify removal by checking that the driver's kernel service is absent and the associated device object is not created on reboot.
Monitor for local privilege escalation indicators and unusual IOCTL activity against the ASUS driver device.
Track vendor advisories at asus.com/security-advisory for any future patch or supported replacement.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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cwe · low confidence lookup
CWE-1284: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
1CVSS vectors
3Timeline events
1ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-1284 · source CWE mapping
Improper Validation of Specified Quantity in Input
Improper Validation of Specified Quantity in Input represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.