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CVE-2026-98542

🗓️ 18 Oct 2026 15:18:10Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 1 Views

Linux kernel cgroup/cpuset allows multiple root partitions to claim exclusive CPUs.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-98542 cgroup/cpuset: Return PERR_NOCPUS in remote_partition_enable() on subpartitions_cpus conflict
18 Oct 202615:18
–cvelist
debiancve
Debian CVE
CVE-2026-98542
18 Oct 202615:18
–debiancve
euvd
EUVD
EUVD-2026-103587
18 Oct 202615:18
–euvd
nvd
NVD
CVE-2026-98542
18 Oct 202616:17
–nvd
ptsecurity
Positive Technologies
PT-2026-116761
18 Oct 202600:00
–ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.16–6.18.55
linuxlinux_kernelRange6.19.0–7.2.9
linuxlinux_kernelRange7.3.0–7.3-rc5
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/cgroup/cpuset.c",
      "tools/testing/selftests/cgroup/test_cpuset_prs.sh"
    ],
    "versions": [
      {
        "version": "86888c7bd117c29eab169c37e5f6bbbf583da983",
        "lessThan": "241e67b60308cdce25bba66616a109759edd1d40",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "86888c7bd117c29eab169c37e5f6bbbf583da983",
        "lessThan": "0751ab665cb3dcdac224b002565f2e28461740d5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "86888c7bd117c29eab169c37e5f6bbbf583da983",
        "lessThan": "31c88350b7dd1522792f726f79607f31bb55c50f",
        "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/cgroup/cpuset.c",
      "tools/testing/selftests/cgroup/test_cpuset_prs.sh"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.55",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.9",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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