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Red Hat: CVE-2018-8781: Important: kernel-alt security, bug fix, and enhancement update (Multiple Advisories)

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Red Hat: CVE-2018-8781: Important: kernel-alt security, bug fix, and enhancement update (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
04/23/2018
Created
03/19/2019
Added
10/31/2018
Modified
03/03/2021

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.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

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