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Information Exposure Affecting kernel-zfcpdump package, versions <0:4.18.0-193.1.2.el8_2

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.05% (20th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELZFCPDUMP-2041589
  • published 26 Jul 2021
  • disclosed 24 Feb 2020
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Introduced: 24 Feb 2020

CVE-2020-2732 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

Upgrade Centos:8 kernel-zfcpdump to version 0:4.18.0-193.1.2.el8_2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump package and not the kernel-zfcpdump package as distributed by Centos. See How to fix? for Centos:8 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.

References

CVSS Scores

version 3.1
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NVD

6.8 medium
  • Attack Vector (AV)
    Adjacent
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
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Red Hat

5.8 medium
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SUSE

3.2 low