Out-of-Bounds Affecting kernel-zfcpdump package, versions <0:4.18.0-193.13.2.el8_2


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.05% (25th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELZFCPDUMP-2043744
  • published 26 Jul 2021
  • disclosed 4 Jun 2020

How to fix?

Upgrade Centos:8 kernel-zfcpdump to version 0:4.18.0-193.13.2.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 found in the Linux Kernel in versions after 4.5-rc1 in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system.

CVSS Scores

version 3.1
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NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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Red Hat

7 high
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SUSE

8.4 high