Information Exposure Affecting kernel-rt-debug package, versions <0:4.18.0-372.32.1.rt7.189.el8_6


Severity

Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.05% (20th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELRTDEBUG-3062776
  • published 26 Oct 2022
  • disclosed 12 Jul 2022

How to fix?

Upgrade Centos:8 kernel-rt-debug to version 0:4.18.0-372.32.1.rt7.189.el8_6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug package and not the kernel-rt-debug package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure.

CVSS Scores

version 3.1
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NVD

6.5 medium
  • Attack Vector (AV)
    Local
  • 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

5.6 medium
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SUSE

5.6 medium