USN-4304-1: Ceph vulnerability

17 March 2020

Ceph could be made to stop responding if it received specially crafted network traffic.

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Releases

Packages

  • ceph - distributed storage and file system

Details

Or Friedman discovered that Ceph incorrectly handled disconnects. A remote
authenticated attacker could possibly use this issue to cause Ceph to
consume resources, leading to a denial of service.

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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.

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Update instructions

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

Ubuntu 19.10
Ubuntu 18.04

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

References

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Further reading