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CVE-2026-43438

🗓️ 08 May 2026 14:22:07Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

CVE-2026-43438: sched_ext removes unbalanced css_put in scx_cgroup_init to prevent refcount underflow.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
linuxlinux_kernelRange6.126.12.78
OR
linuxlinux_kernelRange6.136.18.19
OR
linuxlinux_kernelRange6.196.19.9
OROR
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/sched/ext.c"
    ],
    "versions": [
      {
        "version": "8195136669661fdfe54e9a8923c33b31c92fc1da",
        "lessThan": "cc095cd305fddbe25a968e4a78436ff9476cf0f6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8195136669661fdfe54e9a8923c33b31c92fc1da",
        "lessThan": "6eaaa67d6998f6c30c462b140db8c062e07ec473",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8195136669661fdfe54e9a8923c33b31c92fc1da",
        "lessThan": "bf50f3285eda8a0173625fcdb5f183f96e1008cd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8195136669661fdfe54e9a8923c33b31c92fc1da",
        "lessThan": "1336b579f6079fb8520be03624fcd9ba443c930b",
        "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/ext.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.78",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.19",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.9",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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