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USN-5275-1: BlueZ vulnerability

8 February 2022

BlueZ could be made to crash or run programs if it received specially crafted network traffic.

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Releases

Packages

  • bluez - Bluetooth tools and daemons

Details

Ziming Zhang discovered that BlueZ incorrectly handled memory write operations
in its gatt server. A remote attacker could possibly use this to cause BlueZ to
crash leading to a denial of service, or potentially remotely execute code.
(CVE-2022-0204)

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 21.10
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

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

References

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Further reading