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CVE-2026-98977

🗓️ 23 Oct 2026 12:19:50Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 1 Views

Linux kernel mount locking flaw allows host mounts to be locked by child namespaces.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-98977 namespace: handle mount locking for automounts correctly
23 Oct 202612:19
–cvelist
euvd
EUVD
EUVD-2026-108771
23 Oct 202612:19
–euvd
nvd
NVD
CVE-2026-98977
23 Oct 202613:17
–nvd
Vulners
CNA
Node
OR
linuxlinux_kernelRange3.8.6–3.9
OR
linuxlinux_kernelRange3.9–6.6.160
linuxlinux_kernelRange6.7.0–6.12.114
linuxlinux_kernelRange6.13.0–6.18.57
linuxlinux_kernelRange6.19.0–7.2.11
linuxlinux_kernelRange7.3.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/namespace.c"
    ],
    "versions": [
      {
        "version": "132c94e31b8bca8ea921f9f96a57d684fa4ae0a9",
        "lessThan": "5e8f3ac8fa3d411b422ad32b9168c46a4824cc79",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "132c94e31b8bca8ea921f9f96a57d684fa4ae0a9",
        "lessThan": "b3ccde78f1608836e62320428abc0e8aa9cf2329",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "132c94e31b8bca8ea921f9f96a57d684fa4ae0a9",
        "lessThan": "e01c79761c7b3373e80094c5eadb21cb864fa8bc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "132c94e31b8bca8ea921f9f96a57d684fa4ae0a9",
        "lessThan": "6ab37fae14196ba2262b152a7d9222c50356d278",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "132c94e31b8bca8ea921f9f96a57d684fa4ae0a9",
        "lessThan": "33aadc7c72055fca93cb5a3691d836ebf8b31c9b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9c773201d61272db49f8f33a83a3cb2a3fe4b14f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3.8.6",
        "lessThan": "3.9",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/namespace.c"
    ],
    "versions": [
      {
        "version": "3.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.114",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.57",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.11",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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23 Oct 2026 13:17Current
5.8Medium risk
Vulners AI Score5.8
1