Access Restriction Bypass Affecting python-perf package, versions <0:2.6.32-220.23.1.el6


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-ORACLE6-PYTHONPERF-2465543
  • published10 Apr 2022
  • disclosed17 May 2012

Introduced: 17 May 2012

CVE-2012-2121  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Oracle:6 python-perf to version 0:2.6.32-220.23.1.el6 or higher.
This issue was patched in ELSA-2012-0743.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-perf package and not the python-perf package as distributed by Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices.

CVSS Scores

version 3.1