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The kernel core dump data directory must be owned by root.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-11997 | GEN003520 | SV-64427r2_rule | Low |
| Description |
|---|
| Kernel core dumps may contain the full contents of system memory at the time of the crash. As the system memory may contain sensitive information, it must be protected accordingly. If the kernel core dump data directory is not owned by root, the core dumps contained in the directory may be subject to unauthorized access. |
| STIG | Date |
|---|---|
| Oracle Linux 5 Security Technical Implementation Guide | 2017-05-18 |
Details
| Check Text ( C-52863r2_chk ) |
|---|
| Verify the location of the kernel core dump data directory: # grep “path” /etc/kdump.conf Note: If this setting is not configured or commented out, the default kernel dump data directory is /var/crash. Check the ownership of the dump data directory: # ls –ld If the kernel core dump data directory is not owned by root, this is a finding. |
| Fix Text (F-55041r2_fix) |
|---|
| Change the owner of the kernel core dump data directory to root. # chown root |