Ensure That LD_LIBRARY_PATH Is Correctly Defined

LD_LIBRARY_PATH is a Linux environment variable specifying a path that is prioritized when a program loads shared libraries. As a general rule, configuring this environment variable is not recommended. If it is maliciously manipulated or incorrectly configured, a program may link to improper dynamic libraries at runtime, introducing potential security risks.

• Similarly, configurations within /etc/ld.so.conf.d affect dynamic library loading and must be verified for correctness.
• By default, the LD_LIBRARY_PATH variable is not set in openEuler OS. In scenarios where this variable is mandatory, ensure that its value is valid across all user contexts.

The value of LD_LIBRARY_PATH can be persisted across multiple configuration files. During troubleshooting, you need to closely inspect /etc/profile, ~/.bashrc, and ~/.bash_profile. The latter two reside in each user's home directory on a per-user basis and must be thoroughly and individually inspected.

1. Run the grep command to check whether LD_LIBRARY_PATH is defined.

   grep "LD_LIBRARY_PATH" /etc/profile ~/.bashrc ~/.bash_profile

   The following is an example, indicating that LD_LIBRARY_PATH is defined in /etc/profile.

   /etc/profile:export LD_LIBRARY_PATH=/home/

2. Check whether the LD_LIBRARY_PATH value exists in the current user context.

   echo $LD_LIBRARY_PATH

   The following is an example. If LD_LIBRARY_PATH is not defined, running the echo command will return an empty output; otherwise, it will display the currently configured value.

   /home/

3. Delete LD_LIBRARY_PATH from all configuration files or set it to a valid value.