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Access Restriction Bypass Affecting dtrace-modules-4.1.12-32.2.3.el6uek package, versions <0:0.5.1-1.el6

Severity

 Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.51% (43rd percentile)

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  • Snyk IDSNYK-ORACLE6-DTRACEMODULES41123223EL6UEK-2512370
  • published10 Apr 2022
  • disclosed12 Apr 2016
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Introduced: 12 Apr 2016

CVE-2016-3157  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Oracle:6 dtrace-modules-4.1.12-32.2.3.el6uek to version 0:0.5.1-1.el6 or higher.
This issue was patched in ELSA-2016-3529.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dtrace-modules-4.1.12-32.2.3.el6uek package and not the dtrace-modules-4.1.12-32.2.3.el6uek package as distributed by Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.

References