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CVE-2025-39909 mm/damon/lru_sort: avoid divide-by-zero in damon_lru_sort_apply_parameters()

🗓️ 01 Oct 2025 07:44:32Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Fix divide-by-zero in DAMON parameter application by validating intervals and returning -EINVAL.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/damon/lru_sort.c"
    ],
    "versions": [
      {
        "version": "40e983cca9274e177bd5b9379299b44d9536ac68",
        "lessThan": "74e391f7da7d9d5235a3cca88ee9fc18f720c75b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "40e983cca9274e177bd5b9379299b44d9536ac68",
        "lessThan": "7bb675c9f0257840d33e5d1337d7e3afdd74a6bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "40e983cca9274e177bd5b9379299b44d9536ac68",
        "lessThan": "af0ae62b935317bed1a1361c8c9579db9d300e70",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "40e983cca9274e177bd5b9379299b44d9536ac68",
        "lessThan": "326a4b3750c71af3f3c52399ec4dbe33b6da4c26",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "40e983cca9274e177bd5b9379299b44d9536ac68",
        "lessThan": "711f19dfd783ffb37ca4324388b9c4cb87e71363",
        "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/damon/lru_sort.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.153",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.107",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.48",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.8",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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