cve/published/2025/CVE-2025-21815.json

{
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            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
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         "descriptions": [
            {
               "lang": "en",
               "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 << 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."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "mm/compaction.c"
               ],
               "versions": [
                  {
                     "version": "3da0272a4c7d0d37b47b28e87014f421296fc2be",
                     "lessThan": "4491159774d973a9e2e998d25d8fbb20fada6dfa",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3da0272a4c7d0d37b47b28e87014f421296fc2be",
                     "lessThan": "10b7d3eb535098ccd4c82a182a33655d8a0e5c88",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3da0272a4c7d0d37b47b28e87014f421296fc2be",
                     "lessThan": "d1366e74342e75555af2648a2964deb2d5c92200",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "mm/compaction.c"
               ],
               "versions": [
                  {
                     "version": "6.7",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.7",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.12.14",
                     "lessThanOrEqual": "6.12.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.13.3",
                     "lessThanOrEqual": "6.13.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.14",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "cpeApplicability": [
            {
               "nodes": [
                  {
                     "operator": "OR",
                     "negate": false,
                     "cpeMatch": [
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.7",
                           "versionEndExcluding": "6.12.14"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.7",
                           "versionEndExcluding": "6.13.3"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.7",
                           "versionEndExcluding": "6.14"
                        }
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               ]
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         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/4491159774d973a9e2e998d25d8fbb20fada6dfa"
            },
            {
               "url": "https://git.kernel.org/stable/c/10b7d3eb535098ccd4c82a182a33655d8a0e5c88"
            },
            {
               "url": "https://git.kernel.org/stable/c/d1366e74342e75555af2648a2964deb2d5c92200"
            }
         ],
         "title": "mm/compaction: fix UBSAN shift-out-of-bounds warning",
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      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2025-21815",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}