CVE-2025-21815
mm/compaction: fix UBSAN shift-out-of-bounds warning
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: mm/compaction: fix UBSAN shift-out-of-bounds warning syzkaller reported a UBSAN shift-out-of-bounds warning of (1UL << order) in isolate_freepages_block(). The bogus compound_order can be any value because it is union with flags. Add back the MAX_PAGE_ORDER check to fix the warning.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 27, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
3da0272a4c7d0d37b47b28e87014f421296fc2be < 4491159774d973a9e2e998d25d8fbb20fada6dfa 3da0272a4c7d0d37b47b28e87014f421296fc2be < 10b7d3eb535098ccd4c82a182a33655d8a0e5c88 3da0272a4c7d0d37b47b28e87014f421296fc2be < d1366e74342e75555af2648a2964deb2d5c92200
Linux / Linux
6.7