CyberSecBulletin
CVE-2022-34669NVD status: Modified

vGPU software (guest driver) - Windows, NVIDIA…: Externally Controlled Reference to a Resource in Another Sphere

CVE-2022-34669 is a high-severity externally controlled reference to a resource in another sphere vulnerability in vGPU software (guest driver) - Windows, NVIDIA Cloud Gaming (guest driver) from NVIDIA, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. There is no confirmed exploitation so far. EPSS estimates a 0.28% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Virtual GPU to 11.11 or 13.6 or 14.4, whichever matches your release line, or a later version.
  2. Update Cloud Gaming to 527.27 or a later version.
  3. Read the advisory on nvidia.custhelp.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
NVIDIAvGPU software (guest driver) - Windows, NVIDIA Cloud Gaming (guest driver)Not specified in the recordNot stated
NVIDIAVirtual GPUbefore 11.11; 13.0 up to, but not including, 13.6; 14.0 up to, but not including, 14.411.11, 13.6, 14.4
NVIDIACloud Gamingbefore 527.27527.27

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
LocalThe attacker needs local access or must trick a user into running something.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.18.8HighCNA (nvidia.com)
CVSS 3.17.8HighNVD

Official description

NVIDIA GPU Display Driver for Windows contains a vulnerability in the user mode layer, where an unprivileged regular user can access or modify system files or other files that are critical to the application, which may lead to code execution, denial of service, escalation of privileges, information disclosure, or data tampering.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Externally Controlled Reference to a Resource in Another Sphere

The product uses an externally controlled name or reference that resolves to a resource that is outside of the intended control sphere.

More Externally Controlled Reference to a Resource in Another Sphere vulnerabilities (CWE-610)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in vGPU software (guest driver) - Windows, NVIDIA Cloud Gaming (guest driver)

All vGPU software (guest driver) - Windows, NVIDIA Cloud Gaming (guest driver) vulnerabilities

Recent Externally Controlled Reference to a Resource in Another Sphere vulnerabilities

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