Ubuntu Alert
2775Warning Date
Severity Level
Warning Number
Target Sector
23 February, 2022
● Medium
2022-4428
All
Description:
Ubuntu has released security updates to several vulnerabilities in the following products:
- Linux kernel (OEM)
- Ubuntu 20.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
- Ubuntu 18.04 LTS
- Cyrus SASL
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- PHP
- Ubuntu 16.04 ESM
Threats:
An attacker could exploit these vulnerabilities by doing the following:
- Denial of service attack (DoS)
- Obtain sensitive information
- Execute arbitrary code
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-5302-1
- https://ubuntu.com/security/notices/USN-5301-2
- https://ubuntu.com/security/notices/USN-5300-1
- https://ubuntu.com/security/notices/USN-5301-1
- https://ubuntu.com/security/notices/USN-5299-1
- https://ubuntu.com/security/notices/USN-5298-1
- https://ubuntu.com/security/notices/USN-5294-2
- https://ubuntu.com/security/notices/USN-5297-1
- https://ubuntu.com/security/notices/USN-5295-2