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CVE-2026-98438

🗓️ 18 Oct 2026 14:45:27Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 1 Views

Uninitialized value in Linux kernel mptcp_write_data_fin leads to incorrect DSS mapping.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-98438 mptcp: options: fix uninit-value in mptcp_write_data_fin
18 Oct 202614:45
–cvelist
debiancve
Debian CVE
CVE-2026-98438
18 Oct 202614:45
–debiancve
euvd
EUVD
EUVD-2026-103677
18 Oct 202614:45
–euvd
nvd
NVD
CVE-2026-98438
18 Oct 202615:16
–nvd
ptsecurity
Positive Technologies
PT-2026-116657
18 Oct 202600:00
–ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange7.1–7.2.7
linuxlinux_kernelRange7.3.0–7.3-rc3
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mptcp/options.c"
    ],
    "versions": [
      {
        "version": "cfcceb7a39fc10a6f896af8229bf81d96acb22cc",
        "lessThan": "9a682067dd7b9dce6b94a0a05661dcc921446402",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cfcceb7a39fc10a6f896af8229bf81d96acb22cc",
        "lessThan": "b110f1dd6cb6a9930503354a01a315e0a821eaa7",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mptcp/options.c"
    ],
    "versions": [
      {
        "version": "7.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.7",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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18 Oct 2026 15:16Current
5.9Medium risk
Vulners AI Score5.9
1