=========================================================================Ubuntu Security Notice USN-4451-1
August 04, 2020

ppp vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

ppp could be made to load arbitrary kernel modules and possibly run
programs.

Software Description:
- ppp: Point-to-Point Protocol (PPP)

Details:

Thomas Chauchefoin discovered that ppp incorrectly handled module loading.
A local attacker could use this issue to load arbitrary kernel modules and
possibly execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  ppp                             2.4.7-2+4.1ubuntu5.1

Ubuntu 18.04 LTS:
  ppp                             2.4.7-2+2ubuntu1.3

Ubuntu 16.04 LTS:
  ppp                             2.4.7-1+2ubuntu1.16.04.3

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-4451-1
  CVE-2020-15704

Package Information:
  https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+4.1ubuntu5.1
  https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+2ubuntu1.3
  https://launchpad.net/ubuntu/+source/ppp/2.4.7-1+2ubuntu1.16.04.3

Ubuntu 4451-1: ppp vulnerability

August 4, 2020
ppp could be made to load arbitrary kernel modules and possibly run programs.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: ppp 2.4.7-2+4.1ubuntu5.1 Ubuntu 18.04 LTS: ppp 2.4.7-2+2ubuntu1.3 Ubuntu 16.04 LTS: ppp 2.4.7-1+2ubuntu1.16.04.3 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4451-1

CVE-2020-15704

Severity
August 04, 2020

Package Information

https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+4.1ubuntu5.1 https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+2ubuntu1.3 https://launchpad.net/ubuntu/+source/ppp/2.4.7-1+2ubuntu1.16.04.3

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