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CVE-2026-74643 samples/damon/mtier: error out for zero quota goal target values

🗓️ 22 Aug 2026 15:32:21Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

Division by zero in Linux kernel DAMON_SAMPLE_MTIER via zero quota target values causing kernel oops.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "samples/damon/mtier.c"
    ],
    "versions": [
      {
        "version": "c5e67d40a10234541e220750297304df79aaedd0",
        "lessThan": "e16b8d640ec99b28bc827560edcf9706e610c3aa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c5e67d40a10234541e220750297304df79aaedd0",
        "lessThan": "684f271210becd7b8c4088f06c442499e48a43a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c5e67d40a10234541e220750297304df79aaedd0",
        "lessThan": "a16fd3ad9d89b05475864da97327870464611736",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "samples/damon/mtier.c"
    ],
    "versions": [
      {
        "version": "6.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.45",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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