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USN-5481-1: BlueZ vulnerabilities

15 June 2022

Several security issues were fixed in BlueZ.

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Releases

Packages

  • bluez - Bluetooth tools and daemons

Details

It was discovered that BlueZ incorrectly validated certain capabilities
and lengths when handling the A2DP profile. A remote attacker could use
this issue to cause BlueZ to crash, resulting in a denial of service, or
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 20.04
Ubuntu 18.04

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

References

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Further reading