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CVE-2021-47387

🗓️ 21 May 2024 15:03:46Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 80 Views

The Linux kernel resolved a vulnerability for cpufreq: schedutil to use kobject release() method to free sugov_tunables, protecting struct sugov_tunables from call trace and enabling safe release

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
linuxlinux_kernelRange4.74.9.285
OR
linuxlinux_kernelRange4.104.14.249
OR
linuxlinux_kernelRange4.154.19.209
OR
linuxlinux_kernelRange4.205.4.151
OR
linuxlinux_kernelRange5.55.10.71
OR
linuxlinux_kernelRange5.115.14.10
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/sched/cpufreq_schedutil.c"
    ],
    "versions": [
      {
        "version": "9bdcb44e391da5c41b98573bf0305a0e0b1c9569",
        "lessThan": "cb4a53ba37532c861a5f3f22803391018a41849a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9bdcb44e391da5c41b98573bf0305a0e0b1c9569",
        "lessThan": "463c46705f321201090b69c4ad5da0cd2ce614c9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9bdcb44e391da5c41b98573bf0305a0e0b1c9569",
        "lessThan": "30d57cf2c4116ca6d34ecd1cac94ad84f8bc446c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9bdcb44e391da5c41b98573bf0305a0e0b1c9569",
        "lessThan": "67c98e023135ff81b8d52998a6fdb8ca0c518d82",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9bdcb44e391da5c41b98573bf0305a0e0b1c9569",
        "lessThan": "a7d4fc84404d45d72f4490417e8cc3efa4af93f1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9bdcb44e391da5c41b98573bf0305a0e0b1c9569",
        "lessThan": "8d62aec52a8c5b1d25a2364b243fcc5098a2ede9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9bdcb44e391da5c41b98573bf0305a0e0b1c9569",
        "lessThan": "e5c6b312ce3cc97e90ea159446e6bfa06645364d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/sched/cpufreq_schedutil.c"
    ],
    "versions": [
      {
        "version": "4.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.285",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.249",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.209",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.151",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.71",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.14.10",
        "lessThanOrEqual": "5.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 13:53Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.15.5
EPSS0.00007
SSVC
80