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CVE-2026-80987 NTB: ntb_transport: Reject oversized TX buffers

🗓️ 11 Sep 2026 19:42:45Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 49 Views

Linux NTB transport leaks skb when oversized TX buffer causes tx_handler to receive NULL data.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/ntb/ntb_transport.c"
    ],
    "versions": [
      {
        "version": "fce8a7bb5b4bfb8a27324703fd5b002ee9247e90",
        "lessThan": "4890152a3069f5cb58cc24b08cfd5fe95e568fa1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fce8a7bb5b4bfb8a27324703fd5b002ee9247e90",
        "lessThan": "668aa3238548584ca9772da9cf43ae8c2389bbf1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fce8a7bb5b4bfb8a27324703fd5b002ee9247e90",
        "lessThan": "9b0fa8a9e1057614a533cc3f18b17f82aab028d8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fce8a7bb5b4bfb8a27324703fd5b002ee9247e90",
        "lessThan": "b6db88cde0fb5c3bd2d3cd2bebcc06b5ce146e88",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fce8a7bb5b4bfb8a27324703fd5b002ee9247e90",
        "lessThan": "a7f22105a7df8c7fd74d0af27ace6fa94fe03d87",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fce8a7bb5b4bfb8a27324703fd5b002ee9247e90",
        "lessThan": "6b6bbc6c878d64eacc60877df49fce7b1b6a08d0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fce8a7bb5b4bfb8a27324703fd5b002ee9247e90",
        "lessThan": "75a604e9f1cfdebda421062fdf42225ca32154cd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fce8a7bb5b4bfb8a27324703fd5b002ee9247e90",
        "lessThan": "a4f2387db6f1cc2f03abba7f3a6807ad61e26ff7",
        "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/ntb/ntb_transport.c"
    ],
    "versions": [
      {
        "version": "3.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.9",
        "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": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Oct 2026 08:46Current
CVSS 3.17.5
EPSS0.00501
SSVC
49