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CVE-2026-89973 nvme-tcp: check the data direction of a C2HData PDU

🗓️ 16 Sep 2026 10:32:52Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Linux kernel nvme-tcp C2HData PDU missing direction check enables DoS via panic_on_warn.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89973
16 Sep 202610:32
cve
debiancve
Debian CVE
CVE-2026-89973
16 Sep 202610:32
debiancve
euvd
EUVD
EUVD-2026-80573
16 Sep 202610:32
euvd
nvd
NVD
CVE-2026-89973
16 Sep 202611:17
nvd
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/nvme/host/tcp.c"
    ],
    "versions": [
      {
        "version": "3f2304f8c6d6ed97849057bd16fee99e434ca796",
        "lessThan": "df74950ba6008655d4a977d17df7faf4b6e52b74",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f2304f8c6d6ed97849057bd16fee99e434ca796",
        "lessThan": "980d990f3c0560d7dfbfbf14699651fdf02f26ee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f2304f8c6d6ed97849057bd16fee99e434ca796",
        "lessThan": "5b115d932f6e769ac80783fb18edd21b0aed256e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f2304f8c6d6ed97849057bd16fee99e434ca796",
        "lessThan": "0673a2affe45ca76b60de31a83c67b1e60f81bde",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f2304f8c6d6ed97849057bd16fee99e434ca796",
        "lessThan": "80d56202fbdff8906be6954b2776e5c14a4026f2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f2304f8c6d6ed97849057bd16fee99e434ca796",
        "lessThan": "b4af7999a998787d5eb6facb5a333e04a4f1d2d9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f2304f8c6d6ed97849057bd16fee99e434ca796",
        "lessThan": "a0c389b8a495bda1eb719d2503853c924b7a8355",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f2304f8c6d6ed97849057bd16fee99e434ca796",
        "lessThan": "f83af377c148f6ad94b41c0e8313f12adf45e1c1",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/nvme/host/tcp.c"
    ],
    "versions": [
      {
        "version": "5.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.270",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.110",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.5",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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16 Sep 2026 14:40Current
CVSS 3.18.2
5