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 x_refsource_misc
https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/
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