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CVE-2026-64239

🗓️ 24 Jul 2026 15:27:43Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 18 Views🌐 WEB

Fixed a Linux kernel vulnerability in DAMON sysfs schemes where delayed kobject release could cause use-after-free during region refresh.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.26.6.143
linuxlinux_kernelRange6.76.12.93
linuxlinux_kernelRange6.136.18.35
linuxlinux_kernelRange6.197.0.12
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/damon/sysfs-schemes.c"
    ],
    "versions": [
      {
        "version": "9277d0367ba18ef4bb98bafb1209e715844cdf7e",
        "lessThan": "c0e37017a452addec873865c94cf7a665663a9b2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9277d0367ba18ef4bb98bafb1209e715844cdf7e",
        "lessThan": "a5fa42214de55e43d165144727ce9facb9fc6b08",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9277d0367ba18ef4bb98bafb1209e715844cdf7e",
        "lessThan": "0ba6c05156d9ff9fc6ca22b7690e2eec9eca66f7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9277d0367ba18ef4bb98bafb1209e715844cdf7e",
        "lessThan": "2c33177023c92e76806c535ddbffaa3d3fc37777",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9277d0367ba18ef4bb98bafb1209e715844cdf7e",
        "lessThan": "441f92f7d386b85bad16de49db95a307cba048a2",
        "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/sysfs-schemes.c"
    ],
    "versions": [
      {
        "version": "6.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
statepath/sys/kernel/mm/damon/admin/kdamonds/0/Use-after-free in DAMON sysfs when refreshing region directories, potentially corrupted by delayed kobject release during update of regions directories.CWE-416

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13 Aug 2026 17:25Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.8
EPSS0.00116
18