CentOS 7 — Vulnerability Update

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CentOS 7 — Vulnerability Update

The remote CentOS Linux host is missing one or more security updates.


The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:5023 advisory.

However, below are the vulnerabilities with CVE ID:

CVE-2019-20811 — kernel: net-sysfs: *_queue_add_kobject refcount issue

CVE-2020-14331 — kernel: kernel: buffer over write in vgacon_scroll


The vulnerability descried as High severity.

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Plugin ID:

Nessus Plugin ID 143049

Vulnerability Information


  • cpe:/o:centos:centos:7, 
  • p-cpe:/a:centos:centos:bpftool, 
  • p-cpe:/a:centos:centos:kernel, 
  • p-cpe:/a:centos:centos:kernel-abi-whitelists, 
  • p-cpe:/a:centos:centos:kernel-debug, 
  • p-cpe:/a:centos:centos:kernel-debug-devel, 
  • p-cpe:/a:centos:centos:kernel-devel, 
  • p-cpe:/a:centos:centos:kernel-headers, 
  • p-cpe:/a:centos:centos:kernel-tools, 
  • p-cpe:/a:centos:centos:kernel-tools-libs, 
  • p-cpe:/a:centos:centos:kernel-tools-libs-devel, 
  • p-cpe:/a:centos:centos:perf, 
  • p-cpe:/a:centos:centos:python-perf

Required KB Items: 

Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/cpu

Exploit Ease: 

Therefore there are No known exploits are available


Update the affected packages.

See Also:




By | 2020-12-01T20:49:52+05:30 November 29th, 2020|Security Update|

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FirstHackersNews- Identifies Security

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