Changes
- Major mainstream security fix (CVE-2008-0001).
- utimensat() syscall backport for new distros.
- CPT fixes/improvements.
- CIFS bugfix.
- Other minor fixes.
For the complete list of changes in this release, see git changelog for kernel v2.6.18-028stab053.4.
Compatibility
- Checkpointing file format changed; live migration to earlier kernels won't work.