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 security restriction bypass on the targeted system.
Impact
- Denial of Service
- Remote Code Execution
- 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
-
Red Hat Enterprise Linux Server
- Red Hat Virtualization Host
For detail, please refer to the links below:
https://access.redhat.com/errata/RHSA-2021:0882
https://access.redhat.com/errata/RHSA-2021:0878
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-4876-1
https://ubuntu.com/security/notices/USN-4877-1
https://ubuntu.com/security/notices/USN-4878-1
https://ubuntu.com/security/notices/USN-4879-1
https://access.redhat.com/errata/RHSA-2021:0882
https://access.redhat.com/errata/RHSA-2021:0878
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