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Exposure of Resource to Wrong Sphere Affecting kernel-rt-debug-devel package, versions <0:4.18.0-477.10.1.rt7.274.el8_8

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (14th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELRTDEBUGDEVEL-5461634
  • published 25 Apr 2023
  • disclosed 8 Mar 2022
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Introduced: 8 Mar 2022

CVE-2021-26341 Open this link in a new tab
CWE-668 Open this link in a new tab
CWE-552 Open this link in a new tab

How to fix?

Upgrade Centos:8 kernel-rt-debug-devel to version 0:4.18.0-477.10.1.rt7.274.el8_8 or higher.

NVD Description

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

Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.

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

4.7 medium
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SUSE

4.7 medium