Back

MEDIUM

hw: Intel GPU Denial Of Service while accessing MMIO in lower power state

Published Nov 14, 2019

Description

Insufficient access control in subsystem for Intel (R) processor graphics in 6th, 7th, 8th and 9th Generation Intel(R) Core(TM) Processor Families; Intel(R) Pentium(R) Processor J, N, Silver and Gold Series; Intel(R) Celeron(R) Processor J, N, G3900 and G4900 Series; Intel(R) Atom(R) Processor A and E3900 Series; Intel(R) Xeon(R) Processor E3-1500 v5 and v6 and E-2100 Processor Families may allow an authenticated user to potentially enable denial of service via local access.

Affected products

Remediation

Red Hat statement

Intel plans to release BIOS firmware to correct this issue. Red Hat's kernel update should mitigate this vulnerability. Some older hardware will not have BIOS firmware update and will rely on operating system level protection to prevent access while the device is in low-power states. For more information see https://access.redhat.com/solutions/i915-graphics

Red Hat mitigation

Preventing loading of the i915 kernel module will prevent attackers from using this exploit against the system however the power management functionality of the card will be disabled and the system may draw additional power. See this KCS article (https://access.redhat.com/solutions/41278) for instructions on how to disable a kernel module. Graphical displays may also be at low resolution or not work correctly. This mitigation may not be suitable if running graphical tools locally is required.

Metrics

Weaknesses (1)

References (12)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner intel
Published Nov 14, 2019
Updated Aug 4, 2024
Reserved Nov 13, 2018
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Moderate
Public date Nov 12, 2019