What is security patching in Linux?

A security patch is an update to fix certain vulnerability. It incorporates changes in source code. Security Patches are normally applied to specific software components, such as the kernel, or a service, such as vsFTP. Security patches may fix bugs, address vulnerability issues etc.

Why is patching needed?

Security: Patch management fixes vulnerabilities on your software and applications that are susceptible to cyber-attacks, helping your organization reduce its security risk. System uptime: Patch management ensures your software and applications are kept up-to-date and run smoothly, supporting system uptime.