ubuntu Updates
2529Warning Date
Severity Level
Warning Number
Target Sector
31 January, 2021
● Critical
2021-2391
All
Description:
ubuntu has released security updates to address several vulnerabilities in the following products:
- linux - Linux kernel
- Ubuntu 18.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 20.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ceph
- Ubuntu 20.10
- Ubuntu 20.04 LTS
- TCMU
- Ubuntu 20.04 LTS
- Ubuntu 20.10
- XStream
- Ubuntu 18.04 LTS
- Ubuntu 20.04 LTS
Threats:
Attacker could exploit these vulnerabilities by doing the following:
- Denial of service attack (DoS)
- Execute arbitrary code
- Sensitive information disclosure
- Elevate privileges
- Code injection
Best practice and Recommendations:
The CERT team encourages users to review ubuntu security advisory and apply the necessary updates:
- https://ubuntu.com/security/notices/USN-4710-1
- https://ubuntu.com/security/notices/USN-4711-1
- https://ubuntu.com/security/notices/USN-4712-1
- https://ubuntu.com/security/notices/USN-4713-1
- https://ubuntu.com/security/notices/USN-4708-1
- https://ubuntu.com/security/notices/USN-4709-1
- https://ubuntu.com/security/notices/USN-4706-1
- https://ubuntu.com/security/notices/USN-4714-1