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


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.05% (17th percentile)

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  • 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