CVE Vulnerabilities

CVE-2018-8462

Improper Resource Shutdown or Release

Published: Sep 13, 2018 | Modified: Oct 03, 2019
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.2 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka DirectX Graphics Kernel Elevation of Privilege Vulnerability. This affects Windows Server 2016, Windows 10, Windows 10 Servers.

Weakness

The product does not release or incorrectly releases a resource before it is made available for re-use.

Affected Software

Name Vendor Start Version End Version
Windows_10 Microsoft - (including) - (including)
Windows_10 Microsoft 1607 (including) 1607 (including)
Windows_10 Microsoft 1703 (including) 1703 (including)
Windows_10 Microsoft 1709 (including) 1709 (including)
Windows_10 Microsoft 1803 (including) 1803 (including)
Windows_server_2016 Microsoft - (including) - (including)
Windows_server_2016 Microsoft 1709 (including) 1709 (including)
Windows_server_2016 Microsoft 1803 (including) 1803 (including)

Potential Mitigations

  • Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.

References