CVE-2018-8781 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink 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 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-190 Integer Overflow or Wraparound cwe source acceptance level NIST  

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-8781
NVD Published Date:
04/23/2018
NVD Last Modified:
02/27/2019
Source:
Check Point Software Technologies Ltd.