Linux Kernel Multiple Vulnerabilities

Impact

• Denial of Service
• Remote Code Execution
• Information Disclosure
• Data Manipulation
• Security Restriction Bypass

System / Technologies affected

• Ubuntu 14.04 ESM
• Ubuntu 16.04 LTS
• Ubuntu 18.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 20.10

Solutions

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

• Apply fixes issued by the vendor:
  
  For detail, please refer to the link below:
  https://ubuntu.com/security/notices/USN-4748-1
  https://ubuntu.com/security/notices/USN-4749-1
  https://ubuntu.com/security/notices/USN-4750-1
  https://ubuntu.com/security/notices/USN-4751-1
  https://ubuntu.com/security/notices/USN-4752-1
  https://ubuntu.com/security/notices/USN-4753-1

Vulnerability Identifier

• CVE-2020-10135
• CVE-2020-14314
• CVE-2020-15436
• CVE-2020-15437
• CVE-2020-24490
• CVE-2020-25212
• CVE-2020-25284
• CVE-2020-25641
• CVE-2020-25643
• CVE-2020-25656
• CVE-2020-25668
• CVE-2020-25669
• CVE-2020-25704
• CVE-2020-27152
• CVE-2020-27673
• CVE-2020-27675
• CVE-2020-27777
• CVE-2020-27815
• CVE-2020-27830
• CVE-2020-27835
• CVE-2020-28374
• CVE-2020-28588
• CVE-2020-28915
• CVE-2020-28941
• CVE-2020-28974
• CVE-2020-29368
• CVE-2020-29369
• CVE-2020-29371
• CVE-2020-29374
• CVE-2020-29568
• CVE-2020-29569
• CVE-2020-29660
• CVE-2020-29661
• CVE-2020-35508
• CVE-2021-20177

Source

• Ubuntu
• AusCERT

Related Link

• https://ubuntu.com/security/notices/USN-4748-1
• https://ubuntu.com/security/notices/USN-4749-1
• https://ubuntu.com/security/notices/USN-4750-1
• https://ubuntu.com/security/notices/USN-4751-1
• https://ubuntu.com/security/notices/USN-4752-1
• https://ubuntu.com/security/notices/USN-4753-1
• http://www.auscert.org.au/bulletins/ESB-2021.0717