7.8
HIGH
CVE-2018-8781
Linux UDL DRMFB Integer-Overflow Privilege Escalation
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.

INFO

Published Date :

April 23, 2018, 7:29 p.m.

Last Modified :

March 3, 2023, 7:22 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2018-8781 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-8781 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
1 Linux linux_kernel
1 Canonical ubuntu_linux
1 Debian debian_linux
: Total Affected Vendor : 4 | Products : 6
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-8781.

URL Resource
https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Mailing List Third Party Advisory
https://patchwork.freedesktop.org/patch/211845/ Issue Tracking Patch Third Party Advisory
https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/ Third Party Advisory
https://usn.ubuntu.com/3654-1/ Third Party Advisory
https://usn.ubuntu.com/3654-2/ Third Party Advisory
https://usn.ubuntu.com/3656-1/ Third Party Advisory
https://usn.ubuntu.com/3674-1/ Third Party Advisory
https://usn.ubuntu.com/3674-2/ Third Party Advisory
https://usn.ubuntu.com/3677-1/ Third Party Advisory
https://usn.ubuntu.com/3677-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4187 Third Party Advisory
https://www.debian.org/security/2018/dsa-4188 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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ndk06/linux-kernel-exploitation

None

Updated: 3 weeks, 4 days ago
6 stars 0 fork 0 watcher
Born at : Feb. 25, 2023, 10:40 a.m. This repo has been linked 178 different CVEs too.
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R0B1NL1N/linux-kernel-exploitation

A bunch of links related to Linux kernel exploitation

Updated: 7 months, 2 weeks ago
21 stars 4 fork 4 watcher
Born at : Aug. 8, 2018, 8 a.m. This repo has been linked 65 different CVEs too.
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xairy/linux-kernel-exploitation

A collection of links related to Linux kernel security and exploitation

linux-kernel kernel-exploitation exploit privilege-escalation security

Updated: 1 week, 5 days ago
5527 stars 902 fork 902 watcher
Born at : Nov. 13, 2016, 10:21 p.m. This repo has been linked 225 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-8781 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-8781 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Mar. 03, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.4 up to (excluding) 3.16.57 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.17 up to (excluding) 3.18.103 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.19 up to (excluding) 4.1.52 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.2 up to (excluding) 4.4.125 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.91 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.31 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.15.4 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.4 up to (excluding) 3.16.57 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.17 up to (excluding) 3.18.103 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.19 up to (excluding) 4.1.52 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.2 up to (excluding) 4.4.125 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.91 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.31 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.15.14
  • Reanalysis by [email protected]

    Feb. 24, 2023

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.4 up to (including) 4.15 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.4 up to (excluding) 3.16.57 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.17 up to (excluding) 3.18.103 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.19 up to (excluding) 4.1.52 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.2 up to (excluding) 4.4.125 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.91 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.31 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.15.4
  • Modified Analysis by [email protected]

    Feb. 28, 2019

    Action Type Old Value New Value
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:2948 No Types Assigned https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Third Party Advisory https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Mailing List, Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3677-2/ No Types Assigned https://usn.ubuntu.com/3677-2/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3674-1/ No Types Assigned https://usn.ubuntu.com/3674-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3674-2/ No Types Assigned https://usn.ubuntu.com/3674-2/ Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3096 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3083 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3677-1/ No Types Assigned https://usn.ubuntu.com/3677-1/ Third Party Advisory
    Changed Reference Type https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/ No Types Assigned https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 31, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:3096 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2018:3083 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2018:2948 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 04, 2018

    Action Type Old Value New Value
    Added Reference https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 16, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3674-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 13, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3677-2/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3677-1/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3674-2/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 06, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://patchwork.freedesktop.org/patch/211845/ No Types Assigned https://patchwork.freedesktop.org/patch/211845/ Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3654-1/ No Types Assigned https://usn.ubuntu.com/3654-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3654-2/ No Types Assigned https://usn.ubuntu.com/3654-2/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3656-1/ No Types Assigned https://usn.ubuntu.com/3656-1/ Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2018/dsa-4187 No Types Assigned https://www.debian.org/security/2018/dsa-4187 Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2018/dsa-4188 No Types Assigned https://www.debian.org/security/2018/dsa-4188 Third Party Advisory
    Added CWE CWE-190
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.4 up to (including) 4.15
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 24, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3656-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    May. 23, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3654-2/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3654-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    May. 04, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 03, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4188 [No Types Assigned]
    Added Reference https://www.debian.org/security/2018/dsa-4187 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-8781 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-8781 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.08236

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: