CVE-2018-8781

HIGH

Linux Kernel <4.16 - Code Execution

Title source: llm
STIX 2.1

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.

References (15)

Core 15
Core References
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3083
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4187
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3654-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3674-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3677-1/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4188
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3674-2/
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:2948
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://patchwork.freedesktop.org/patch/211845/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3677-2/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3654-2/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3656-1/
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3096

Scores

CVSS v3 7.8
EPSS 0.0010
EPSS Percentile 27.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (11)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 17.10
debian/debian_linux 7.0
debian/debian_linux 8.0
debian/debian_linux 9.0
linux/linux_kernel 3.4 - 3.16.57
redhat/enterprise_linux_desktop 7.0
redhat/enterprise_linux_server 7.0
... and 1 more
Published Apr 23, 2018
Tracked Since Feb 18, 2026