1.6.4 Ensure prelink is disabled

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Information

prelinkis a program that modifies ELF shared libraries and ELF dynamically linked binaries in such a way that the time needed for the dynamic linker to perform relocations at startup significantly decreases.

Rationale:

The prelinking feature can interfere with the operation of AIDE, because it changes binaries. Prelinking can also increase the vulnerability of the system if a malicious user is able to compromise a common library such as libc.

Solution

Run the following command to restore binaries to normal:

# prelink -ua

Run the following command to uninstall prelink:

# zypper remove prelink

See Also

https://workbench.cisecurity.org/files/2854

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-7(4), CSCv7|14.9

Plugin: Unix

Control ID: cce6d2afe6f465b786e34eccc820b85b1691758bd5513a39602df5208ad8fce3