Information Exposure Affecting kernel-uek-debug package, versions <0:4.1.12-124.36.1.1.el6uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELUEKDEBUG-2575637
  • published10 Apr 2022
  • disclosed8 Apr 2020

Introduced: 8 Apr 2020

CVE-2020-2732  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-uek-debug to version 0:4.1.12-124.36.1.1.el6uek or higher.
This issue was patched in ELSA-2020-5542.

NVD Description

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

A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstances, an L2 guest may trick the L0 guest into accessing sensitive L1 resources that should be inaccessible to the L2 guest.

CVSS Scores

version 3.1