SB2021072177 - Ubuntu update for nvidia-graphics-drivers-390 

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Main Vulnerability Database SB2021072177

SB2021072177 - Ubuntu update for nvidia-graphics-drivers-390

Published: July 21, 2021

Security Bulletin ID SB2021072177
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Reachable Assertion (CVE-ID: CVE-2021-1093)

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

The vulnerability exists due to a reachable assertion. A local user can run a specially crafted program to perform a denial of service (DoS) attack.


2) Out-of-bounds read (CVE-ID: CVE-2021-1094)

The vulnerability allows a local user to gain access to potentially sensitive information or perform a denial of service attack.

The vulnerability exists due to a boundary condition in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape. A local user can run a specially crafted program to trigger an out-of-bounds read and gain access to sensitive information or crash perform a DoS attack.


3) Untrusted Pointer Dereference (CVE-ID: CVE-2021-1095)

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

The vulnerability exists due to untrusted pointer dereference in the kernel mode layer (nvlddmkm.sys) handlers for all control calls with embedded parameters. A local user can run a specially crafted program to perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References