SB2021102701 - Multiple vulnerabilities in NVIDIA Windows GPU Display Driver

Description

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2021-1117)

CWE-ID: CWE-20 - Improper input validation

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

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

The vulnerability exists due to insufficient validation of user-supplied input in DxgkDdiEscape in nvlddmkm.sys kernel driver. A local user can run a specially crafted program to trigger a denial of service (DoS) attack.

2) NULL pointer dereference (CVE-ID: CVE-2021-1116)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: 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

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

The vulnerability exists due to a NULL pointer dereference error in the nvlddmkm.sys kernel driver. A local user can run a specially crafted program to trigger a denial of service (DoS) attack.

3) NULL pointer dereference (CVE-ID: CVE-2021-1115)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: 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

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

The vulnerability exists due to a NULL pointer dereference error in the nvlddmkm.sys kernel driver. A local user can run a specially crafted program to trigger a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://nvidia.custhelp.com/app/answers/detail/a_id/5230