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CVE-2026-98976

🗓️ 23 Oct 2026 12:19:49Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 1 Views

Linux kernel flaw allows user namespace owners to bypass mount locks and access secrets.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-98976 namespace: keep the lock on a mount that a propagated copy is moved beneath
23 Oct 202612:19
–cvelist
euvd
EUVD
EUVD-2026-108770
23 Oct 202612:19
–euvd
nvd
NVD
CVE-2026-98976
23 Oct 202613:17
–nvd
Vulners
CNA
Node
OR
linuxlinux_kernelRange7.1–7.2.11
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": "c62a4766937edec2962d52e583276b459b739f2d",
        "lessThan": "f1f0c24ca701d7d3061c7f69f7450f1734c11745",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c62a4766937edec2962d52e583276b459b739f2d",
        "lessThan": "d74d66aa708ccf2bc0b1e265a83fed0f2308d5c4",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "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": "7.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.1",
        "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