CVE-2018-8781

CVE Details

Release Date:	2018-04-23
Impact:	Important	What is this?

Description

The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.

See more information about CVE-2018-8781 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.8
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (dtrace-modules-3.8.13-118.22.1.el6uek)	ELSA-2018-4164	2018-07-10
Oracle Linux version 6 (kernel-uek)	ELSA-2018-4164	2018-07-10
Oracle Linux version 7 (dtrace-modules-3.8.13-118.22.1.el7uek)	ELSA-2018-4164	2018-07-10
Oracle Linux version 7 (kernel)	ELSA-2018-3083	2018-11-05
Oracle Linux version 7 (kernel-uek)	ELSA-2018-4164	2018-07-10
Oracle VM version 3.3 (kernel-uek)	OVMSA-2018-0237	2018-07-10