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USN-4451-2: ppp vulnerability

6 August 2020

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

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Releases

Packages

  • ppp - Point-to-Point Protocol (PPP)

Details

USN-4451-1 fixed a vulnerability in ppp. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Thomas Chauchefoin working with Trend Micro´s Zero Day Initiative,
discovered that ppp incorrectly handled module loading. A local attacker
could use this issue to load arbitrary kernel modules and possibly execute
arbitrary code.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 14.04
Ubuntu 12.04

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

References

Related notices

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Further reading