CVE-2018-8781

CVSS V2 High 7.2 CVSS V3 High 7.8
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.
Overview
  • CVE ID
  • CVE-2018-8781
  • Assigner
  • cve@checkpoint.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-04-23T19:29:00
  • Last Modified Date
  • 2023-03-03T19:22:20
Weakness Enumerations
CWE URL
CWE-190 http://cwe.mitre.org/data/definitions/190.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 3.4 4.15
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://patchwork.freedesktop.org/patch/211845/ Issue Tracking Patch Third Party Advisory
https://www.debian.org/security/2018/dsa-4188 Third Party Advisory
https://www.debian.org/security/2018/dsa-4187 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Mailing List Third Party Advisory
https://usn.ubuntu.com/3654-2/ Third Party Advisory
https://usn.ubuntu.com/3654-1/ Third Party Advisory
https://usn.ubuntu.com/3656-1/ Third Party Advisory
https://usn.ubuntu.com/3677-2/ Third Party Advisory
https://usn.ubuntu.com/3677-1/ Third Party Advisory
https://usn.ubuntu.com/3674-2/ Third Party Advisory
https://usn.ubuntu.com/3674-1/ Third Party Advisory
https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/ Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-8781
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8781
History
Created Old Value New Value Data Type Notes
2022-05-10 07:57:27 Added to TrackCVE
2022-12-03 05:32:20 2018-04-23T19:29Z 2018-04-23T19:29:00 CVE Published Date updated
2022-12-03 05:32:20 2019-02-28T01:03:52 CVE Modified Date updated
2022-12-03 05:32:20 Analyzed Vulnerability Status updated
2023-02-23 15:07:21 Analyzed Undergoing Analysis Vulnerability Status updated
2023-02-24 19:07:41 2023-02-24T18:33:06 CVE Modified Date updated
2023-02-24 19:07:41 Undergoing Analysis Analyzed Vulnerability Status updated
2023-03-02 21:07:25 Analyzed Undergoing Analysis Vulnerability Status updated
2023-03-03 20:08:02 2023-03-03T19:22:20 CVE Modified Date updated
2023-03-03 20:08:02 Undergoing Analysis Analyzed Vulnerability Status updated