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CVE-2026-72027

mm/compaction: handle free_pages_prepare() properly in compaction_free() PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 733aea0b3a7bba0451dfc19322665de13a5b7af4 before de8577db09039d4950239b01446ab5ead9028ab4; affected 733aea0b3a7bba0451dfc19322665de13a5b7af4 before 018d7ad26cb8bdfe9842f2ca68a42b0bfdcc82fe; affected 733aea0b3a7bba0451dfc19322665de13a5b7af4 before 23afc3786acf359c135093893fb43a436768c832; affected 733aea0b3a7bba0451dfc19322665de13a5b7af4 before 7da7d599b8a83271c464adfd5ef160202b470570
Linux / Linuxaffected 6.9; unaffected 0 before 6.9; unaffected 6.12.97 through 6.12.*; unaffected 6.18.40 through 6.18.*; unaffected 7.1.5 through 7.1.*; unaffected 7.2 through *

CWE

No CWE identifiers supplied.

References