Improper Input Validation Affecting torvalds/linux package, versions [,4.4)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.18% (56th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Improper Input Validation vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005486
  • published26 Jan 2022
  • disclosed27 Apr 2016
  • creditUnknown

Introduced: 27 Apr 2016

CVE-2016-2548  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 4.4 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation sound/core/timer.c in the Linux kernel before 4.4.1 retains certain linked lists after a close or stop action, which allows local users to cause a denial of service (system crash) via a crafted ioctl call, related to the (1) snd_timer_close and (2) _snd_timer_stop functions.

CVSS Scores

version 3.1