Information Exposure Affecting torvalds/linux package, versions [,4.14.9)


Severity

Recommended
0.0
low
0
10

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

Threat Intelligence

EPSS
0.06% (18th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005259
  • published26 Jan 2022
  • disclosed27 Dec 2017
  • creditUnknown

Introduced: 27 Dec 2017

CVE-2017-17864  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 4.14.9 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."

CVSS Base Scores

version 3.1