CVE-2021-26401 Affecting kernel-bootwrapper package, versions <0:3.10.0-1160.83.1.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (14th percentile)

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  • Snyk ID SNYK-RHEL7-KERNELBOOTWRAPPER-3247858
  • published 11 May 2022
  • disclosed 8 Mar 2022

How to fix?

Upgrade RHEL:7 kernel-bootwrapper to version 0:3.10.0-1160.83.1.el7 or higher.
This issue was patched in RHSA-2023:0399.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-bootwrapper package and not the kernel-bootwrapper package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.

CVSS Scores

version 3.1
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NVD

5.6 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • 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

5.6 medium