Access Restriction Bypass Affecting torvalds/linux package, versions [,2.6.10)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.12% (34th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3006371
  • published26 Jan 2022
  • disclosed21 Jun 2012
  • creditUnknown

Introduced: 21 Jun 2012

CVE-2011-1021  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 2.6.10 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass drivers/acpi/debugfs.c in the Linux kernel before 3.0 allows local users to modify arbitrary kernel memory locations by leveraging root privileges to write to the /sys/kernel/debug/acpi/custom_method file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4347.

References

CVSS Base Scores

version 3.1