Integer Overflow or Wraparound Affecting torvalds/linux package, versions [3.4,4.15.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005741
  • published26 Jan 2022
  • disclosed23 Apr 2018
  • creditUnknown

Introduced: 23 Apr 2018

CVE-2018-8781  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 4.15.1 or higher.

Overview

Affected versions of this package are vulnerable to Integer Overflow or Wraparound. 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.

CVSS Base Scores

version 3.1