NVIDIA Cloud Gaming (guest driver): Out-of-bounds Read
CVE-2022-31616 is a high-severity out-of-bounds read vulnerability in NVIDIA Cloud Gaming (guest driver) from NVIDIA, with a CVSS 3.1 base score of 7.1 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. Affected NVIDIA Cloud Gaming (guest driver) versions: All versions prior to the August 2022 release. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.18% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update GPU Display Driver to 473.81 or 516.94 or 513.46 or 453.64, whichever matches your release line, or a later version.
- Update Virtual GPU to 11.8 or 13.3, whichever matches your release line, or a later version.
- Update Cloud Gaming Guest to 516.94 or a later version.
- Read the advisory on nvidia.custhelp.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| NVIDIA | NVIDIA Cloud Gaming (guest driver) | All versions prior to the August 2022 release | Not stated |
| NVIDIA | GPU Display Driver | 471.11 up to, but not including, 473.81; 516.25 up to, but not including, 516.94; 511.09 up to, but not including, 513.46; 451.48 up to, but not including, 453.64; 471.11 up to, but not including, 472.81 | 473.81, 516.94, 513.46, 453.64, 472.81 |
| NVIDIA | Virtual GPU | 11.0 up to, but not including, 11.8; 13.0 up to, but not including, 13.3; 14.0 | 11.8, 13.3 |
| NVIDIA | Cloud Gaming Guest | before 516.94 | 516.94 |
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
- NoneNothing can be modified.
- 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:N/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 6.1 | Medium | CNA (nvidia.com) |
| CVSS 3.1 | 7.1 | High | NVD |
Official description
NVIDIA GPU Display Driver for Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, where a local user with basic capabilities can cause an out-of-bounds read, which may lead to denial of service, or information disclosure.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
How developers prevent this class of flaw
- Use a language that provides appropriate memory abstractions.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in NVIDIA Cloud Gaming (guest driver)
- 7.8 High severity
- 7.1 High severity
- 7.8 High severity
- 7.8 High severity
Recent Out-of-bounds Read vulnerabilities
- 9.8 Critical severity
- 7.5 High severity
- 7.5 High severity
- 9.1 Critical severity
- 7.5 High severity
- 7.8 High severity
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