Null-Pointer Deref in nvlddmkm.sys DxgkDdiEscape Causing DoS
CVE-2022-34683 Published on December 30, 2022
NVIDIA GPU Display Driver for Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, where a null-pointer dereference occurs, which may lead to denial of service.
Vulnerability Analysis
CVE-2022-34683 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.
Products Associated with CVE-2022-34683
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Affected Versions
vGPU software (guest driver) - Windows, NVIDIA Cloud Gaming (guest driver) Version All versions prior to and including 14.2, 13.4, and 11.9, and all versions prior to the November 2022 release is affected by CVE-2022-34683Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.