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CVE-2021-47553

🗓️ 24 May 2024 15:09:55Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 80 Views🌐 WEB

Linux kernel vulnerability resolved for hot unplug CPU with KASAN and SC

Related
Detection
Affected
Refs
Paths
NVD
Vulners
CNA
Node
linuxlinux_kernelRange5.10.505.10.83
OR
linuxlinux_kernelRange5.12.175.13
OR
linuxlinux_kernelRange5.13.25.15.6
OR
linuxlinux_kernelMatch5.16rc1
OR
linuxlinux_kernelMatch5.16rc2
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/cpu.c",
      "kernel/sched/core.c"
    ],
    "versions": [
      {
        "version": "3c51d82d0b7862d7d246016c74b4390fb1fa1f11",
        "lessThan": "e6ee7abd6bfe559ad9989004b34c320fd638c526",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f1a0a376ca0c4ef1fc3d24e3e502acbb5b795674",
        "lessThan": "229c555260cb9c1ccdab861e16f0410f1718f302",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f1a0a376ca0c4ef1fc3d24e3e502acbb5b795674",
        "lessThan": "dce1ca0525bfdc8a69a9343bc714fbc19a2f04b3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1cb358b3ac1bb43aa8c4283830a84216dda65d39",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "24c79a7e54ccfa29fb8cbf7ed8d1e48ff1ec6e3d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.50",
        "lessThan": "5.10.83",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.12.17",
        "lessThan": "5.13",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.13.2",
        "lessThan": "5.14",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/cpu.c",
      "kernel/sched/core.c"
    ],
    "versions": [
      {
        "version": "5.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.83",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.6",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.16",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
onlinepath/sys/devices/system/cpu/cpu*/onlineSysfs CPU online toggle path; vulnerability described as relying on resetting SCS SP and KASAN shadow when bringing a CPU online to avoid stale state.CWE-908

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23 May 2026 15:20Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.8
EPSS0.00022
SSVC
80