Improper Input Validation Affecting torvalds/linux package, versions [,4.11.4)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.48% (39th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3004838
  • published26 Jan 2022
  • disclosed7 Mar 2018
  • creditUnknown

Introduced: 7 Mar 2018

CVE-2017-18221  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 4.11.4 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation. The __munlock_pagevec function in mm/mlock.c in the Linux kernel before 4.11.4 allows local users to cause a denial of service (NR_MLOCK accounting corruption) via crafted use of mlockall and munlockall system calls.

CVSS Base Scores

version 3.1