CVE-2019-11477, CVE-2019-11478 & CVE-2019-11479: kernel’s handling of TCP networking.

Applicable to:

Following vulnerabilities have been discovered in Linux kernels:

Due to these vulnerabilities, a remote attacker could use these vulnerabilities to cause a denial of service.

Plesk does not manage kernels. Fixes/patches should be provided by OS vendor:

For Ubuntu:

According to Ubuntu security team patch for CVE-2019-11477 and CVE-2019-11478 has been released.

Install latest system updates and reboot the system:

CVE-2019-11479 is not fixed. Check Ubuntu bug tracker to be notified about patch.

For Debian:

Install latest system updates and reboot the system:

For other OSes:

There is no official patch for these vulnerabilities on other operating systems.

Check the following OS vendor bug trackers to be notified when package update is available: