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Ubuntu Security Notice USN-7248-1
February 03, 2025

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

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

Software Description:
- libndp: Library for Neighbor Discovery Protocol

Details:

It was discovered that libndp incorrectly handled certain malformed IPv6
router advertisement packets. A local attacker could possibly use this
issue to cause NetworkManager to crash, resulting in a denial of service,
or the execution of arbitrary code.

Update instructions:

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

Ubuntu 18.04 LTS
  libndp0                         1.6-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libndp0                         1.4-2ubuntu0.16.04.1+esm1
                                  Available with Ubuntu Pro

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7248-1
  CVE-2024-5564