Information Exposure Affecting torvalds/linux package, versions [,4.6.2)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (16th 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 Information Exposure vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005349
  • published26 Jan 2022
  • disclosed15 May 2017
  • creditUnknown

Introduced: 15 May 2017

CVE-2017-7495  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 4.6.2 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure fs/ext4/inode.c in the Linux kernel before 4.6.2, when ext4 data=ordered mode is used, mishandles a needs-flushing-before-commit list, which allows local users to obtain sensitive information from other users' files in opportunistic circumstances by waiting for a hardware reset, creating a new file, making write system calls, and reading this file.

CVSS Base Scores

version 3.1