2021-1096 | NVIDIA Windows GPU Display Driver Kernel Mode Layer nvlddmkm.sys DxgkDdiEscape null pointer dereference


CVSS Meta Temp Score

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Current Exploit Price (≈)

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CTI Interest Score

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6.5 $0-$5k 0.39

A vulnerability classified as critical has been found in NVIDIA Windows GPU Display Driver on Windows (Hardware Driver Software) (version unknown). Affected is the function DxgkDdiEscape in the library nvlddmkm.sys of the component Kernel Mode Layer. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-476. This is going to have an impact on availability. CVE summarizes:

NVIDIA Windows GPU Display Driver for Windows contains a vulnerability in the NVIDIA kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape where dereferencing a NULL pointer may lead to a system crash.

The weakness was presented 07/22/2021. The advisory is shared for download at nvidia.custhelp.com. This vulnerability is traded as CVE-2021-1096 since 11/12/2020. The exploitability is told to be easy. It is possible to launch the attack remotely. Required for exploitation is a authentication. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Type

Vendor

Name

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

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Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Denial of service
CWE: CWE-476
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒


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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

11/12/2020 CVE assigned
07/22/2021 +251 days Advisory disclosed
07/22/2021 +0 days VulDB entry created
07/26/2021 +4 days VulDB last updateVendor: https://www.nvidia.com/

Advisory: nvidia.custhelp.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2021-1096 (🔒)

Created: 07/22/2021 13:00
Updated: 07/26/2021 15:18
Changes: (1) source_cve_cna
Complete: 🔍

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