NVIDIA Windows GPU Display Driver on Windows Kernel Mode Layer nvlddmkm.sys DxgkDdiEscape null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in NVIDIA Windows GPU Display Driver on Windows. It has been declared as problematic. Affected by this vulnerability is the function DxgkDdiEscape in the library nvlddmkm.sys of the component Kernel Mode Layer. The manipulation results in null pointer dereference.
This vulnerability was named CVE-2021-1096. The attack may be performed from remote. There is no available exploit.
Details
A vulnerability classified as critical has been found in NVIDIA Windows GPU Display Driver on Windows (Hardware Driver Software) (version now known). 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 null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. 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. This is going to have an impact on availability.
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. 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.
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Product
Type
Vendor
Name
License
Website
- Vendor: https://www.nvidia.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.5
VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/12/2020 🔍07/22/2021 🔍
07/22/2021 🔍
07/26/2021 🔍
Sources
Vendor: nvidia.comAdvisory: nvidia.custhelp.com
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-1096 (🔍)
GCVE (CVE): GCVE-0-2021-1096
GCVE (VulDB): GCVE-100-179388
Entry
Created: 07/22/2021 13:00Updated: 07/26/2021 15:18
Changes: 07/22/2021 13:00 (39), 07/26/2021 15:12 (3), 07/26/2021 15:18 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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