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CVE-2026-79619 OpenZFS: user-namespace capability check allows unprivileged local authorization bypass

🗓️ 26 Aug 2026 12:50:10Reported by canonicalType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

User-namespace capability check in OpenZFS ioctl allows unprivileged local authorization bypass.

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Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-79619 OpenZFS: user-namespace capability check allows unprivileged local authorization bypass
26 Aug 202612:50
cve
euvd
EUVD
EUVD-2026-66419
26 Aug 202612:50
euvd
[
  {
    "vendor": "OpenZFS",
    "product": "OpenZFS",
    "platforms": [
      "Linux"
    ],
    "repo": "https://github.com/openzfs/zfs",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "2.2.11",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "2.3.0",
        "lessThan": "2.3.9",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "2.4.0",
        "lessThan": "2.4.4",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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