CVE-2025-21815 (GCVE-0-2025-21815)
Vulnerability from cvelistv5
Published
2025-02-27 20:04
Modified
2025-05-04 07:21
Severity ?
Summary
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.
References
Impacted products
Vendor Product Version
Linux Linux Version: 3da0272a4c7d0d37b47b28e87014f421296fc2be
Version: 3da0272a4c7d0d37b47b28e87014f421296fc2be
Version: 3da0272a4c7d0d37b47b28e87014f421296fc2be
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{
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          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/compaction: fix UBSAN shift-out-of-bounds warning\n\nsyzkaller reported a UBSAN shift-out-of-bounds warning of (1UL \u003c\u003c order)\nin isolate_freepages_block().  The bogus compound_order can be any value\nbecause it is union with flags.  Add back the MAX_PAGE_ORDER check to fix\nthe warning."
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      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:21:46.285Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "datePublished": "2025-02-27T20:04:14.733Z",
    "dateReserved": "2024-12-29T08:45:45.774Z",
    "dateUpdated": "2025-05-04T07:21:46.285Z",
    "state": "PUBLISHED"
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  }
}


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