#VU55037 Access of Memory Location After End of Buffer in NVIDIA Windows GPU Display Driver and NVIDIA vGPU Software - CVE-2021-1090

Vulnerability identifier: #VU55037

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-1090

CWE-ID: CWE-788

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
NVIDIA Windows GPU Display Driver
Client/Desktop applications / Virtualization software
NVIDIA vGPU Software
Client/Desktop applications / Other client software

Vendor: nVidia

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in in the kernel mode layer (nvlddmkm.sys) handler for control calls. A local user can run a specially crafted program to trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

NVIDIA Windows GPU Display Driver: before 392.67

NVIDIA vGPU Software: before 8.8

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External links
https://nvidia.custhelp.com/app/answers/detail/a_id/5211

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.