Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mm/compaction: handle free_pages_prepare() properly in compaction_free() free_pages_prepare() can fail but compaction_free() does not handle the failure case. Failed pages should not be added back to cc->freepages for future use, since they can be either PageHWPoison or free_page_is_bad() and might cause data corruption.
CVSS Score
HIGH
References
- https://git.kernel.org/stable/c/018d7ad26cb8bdfe9842f2ca68a42b0bfdcc82fe
- https://git.kernel.org/stable/c/23afc3786acf359c135093893fb43a436768c832
- https://git.kernel.org/stable/c/7da7d599b8a83271c464adfd5ef160202b470570
- https://git.kernel.org/stable/c/de8577db09039d4950239b01446ab5ead9028ab4
FAQ
What is CVE-2026-72027?
CVE-2026-72027 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: mm/compaction: handle free_pages_prepare() properly in compaction_free() free_pages_prepare() can fail but compaction_free() does ...
How severe is CVE-2026-72027?
CVE-2026-72027 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-72027?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.