CVE-2026-72027
mm/compaction: handle free_pages_prepare() properly in compaction_free()
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.
INFO
Published Date :
Aug. 15, 2026, 6:21 a.m.
Last Modified :
Aug. 17, 2026, 6:18 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Apply kernel updates
- Restart affected systems
- Verify compaction logic
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-72027.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-72027 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-72027
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-72027 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-72027 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 17, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '733aea0b3a7bba0451dfc19322665de13a5b7af4', 'lessThan': 'de8577db09039d4950239b01446ab5ead9028ab4', 'versionType': 'git'}, {'status': 'affected', 'version': '733aea0b3a7bba0451dfc19322665de13a5b7af4', 'lessThan': '018d7ad26cb8bdfe9842f2ca68a42b0bfdcc82fe', 'versionType': 'git'}, {'status': 'affected', 'version': '733aea0b3a7bba0451dfc19322665de13a5b7af4', 'lessThan': '23afc3786acf359c135093893fb43a436768c832', 'versionType': 'git'}, {'status': 'affected', 'version': '733aea0b3a7bba0451dfc19322665de13a5b7af4', 'lessThan': '7da7d599b8a83271c464adfd5ef160202b470570', 'versionType': 'git'}], 'programFiles': ['mm/compaction.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.9'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.9', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc3', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['mm/compaction.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '733aea0b3a7bba0451dfc19322665de13a5b7af4', 'lessThan': 'de8577db09039d4950239b01446ab5ead9028ab4', 'versionType': 'git'}, {'status': 'affected', 'version': '733aea0b3a7bba0451dfc19322665de13a5b7af4', 'lessThan': '018d7ad26cb8bdfe9842f2ca68a42b0bfdcc82fe', 'versionType': 'git'}, {'status': 'affected', 'version': '733aea0b3a7bba0451dfc19322665de13a5b7af4', 'lessThan': '23afc3786acf359c135093893fb43a436768c832', 'versionType': 'git'}, {'status': 'affected', 'version': '733aea0b3a7bba0451dfc19322665de13a5b7af4', 'lessThan': '7da7d599b8a83271c464adfd5ef160202b470570', 'versionType': 'git'}], 'programFiles': ['mm/compaction.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.9'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.9', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['mm/compaction.c'], 'defaultStatus': 'affected'}] -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 15, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '733aea0b3a7bba0451dfc19322665de13a5b7af4', 'lessThan': 'de8577db09039d4950239b01446ab5ead9028ab4', 'versionType': 'git'}, {'status': 'affected', 'version': '733aea0b3a7bba0451dfc19322665de13a5b7af4', 'lessThan': '018d7ad26cb8bdfe9842f2ca68a42b0bfdcc82fe', 'versionType': 'git'}, {'status': 'affected', 'version': '733aea0b3a7bba0451dfc19322665de13a5b7af4', 'lessThan': '23afc3786acf359c135093893fb43a436768c832', 'versionType': 'git'}, {'status': 'affected', 'version': '733aea0b3a7bba0451dfc19322665de13a5b7af4', 'lessThan': '7da7d599b8a83271c464adfd5ef160202b470570', 'versionType': 'git'}], 'programFiles': ['mm/compaction.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.9'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.9', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc3', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['mm/compaction.c'], 'defaultStatus': 'affected'}] Added 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. Added Reference https://git.kernel.org/stable/c/018d7ad26cb8bdfe9842f2ca68a42b0bfdcc82fe Added Reference https://git.kernel.org/stable/c/23afc3786acf359c135093893fb43a436768c832 Added Reference https://git.kernel.org/stable/c/7da7d599b8a83271c464adfd5ef160202b470570 Added Reference https://git.kernel.org/stable/c/de8577db09039d4950239b01446ab5ead9028ab4