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CVE-2026-68297 tipc: fix u16 MTU truncation in media and bearer MTU validation

🗓️ 10 Aug 2026 12:02:30Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

TIPC media and bearer MTU validation now rejects values above 65535 to prevent MTU truncation and division by zero.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/tipc/netlink.c"
    ],
    "versions": [
      {
        "version": "901271e0403af638c224987c2a4e55cebade7e91",
        "lessThan": "8bfdfe0dbb36a650b7c4dec1aeae078319938a0b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "901271e0403af638c224987c2a4e55cebade7e91",
        "lessThan": "dc4b577a083b361d25e118dc96d8281255ebe22c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "901271e0403af638c224987c2a4e55cebade7e91",
        "lessThan": "dfdfd987f1917c84766e097a6120a1f3f1634940",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "901271e0403af638c224987c2a4e55cebade7e91",
        "lessThan": "f02334a9e378f7e07232b26dc3d2ab353339f040",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "901271e0403af638c224987c2a4e55cebade7e91",
        "lessThan": "f4013598b69457dbea350df52e52daea6faef8eb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "901271e0403af638c224987c2a4e55cebade7e91",
        "lessThan": "1b8fb5a20508bfb0db854e01214888c761b3a911",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "901271e0403af638c224987c2a4e55cebade7e91",
        "lessThan": "c1cda72f6acec02ebd45d913bf8527ff77336ba6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "901271e0403af638c224987c2a4e55cebade7e91",
        "lessThan": "9f29cd8a8e7901a2617c8064ce9f50fc67b97cb8",
        "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/tipc/netlink.c"
    ],
    "versions": [
      {
        "version": "4.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.265",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.216",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.148",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.101",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Aug 2026 16:32Current
CVSS 3.17.8
EPSS0.00129
38