Access Restriction Bypass Affecting torvalds/linux package, versions [,2.6.31.7)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.04% (14th 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 IDSNYK-UNMANAGED-TORVALDSLINUX-3005502
  • published26 Jan 2022
  • disclosed16 Nov 2009
  • creditUnknown

Introduced: 16 Nov 2009

CVE-2009-3939  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 2.6.31.7 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass. The poll_mode_io file for the megaraid_sas driver in the Linux kernel 2.6.31.6 and earlier has world-writable permissions, which allows local users to change the I/O mode of the driver by modifying this file.

CVSS Base Scores

version 3.1