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Linux Kernel Multiple Vulnerabilities

Release Date: 10 Nov 2021 2417 Views

RISK: Medium Risk

TYPE: Operating Systems - Linux

TYPE: Linux

Multiple vulnerabilities were identified in Linux Kernel. A remote attacker could exploit some of these vulnerabilities to trigger denial of service condition, remote code execution and sensitive information disclosure on the targeted system.


Impact

  • Denial of Service
  • Remote Code Execution
  • Information Disclosure

System / Technologies affected

  • Ubuntu 14.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 18.04 LTS
  • Ubuntu 20.04 LTS
  • Ubuntu 21.04
  • Ubuntu 21.10

Solutions

Before installation of the software, please visit the vendor web-site for more details.

 

The problem can be corrected by updating your system to the following package versions:

  • Ubuntu 14.04
  • Ubuntu 16.04
  • Ubuntu 18.04
  • Ubuntu 20.04
  • Ubuntu 21.04
  • Ubuntu 21.10

After a standard system update you need to reboot your computer to make all the necessary changes.

 

ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well. 


Vulnerability Identifier


Source


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