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CVE-2023-53517 tipc: do not update mtu if msg_max is too small in mtu negotiation

🗓️ 01 Oct 2025 11:46:04Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

CVE-2023-53517: tipc mtu negotiation now avoids updating mtu when new mtu is below minimum.

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/link.c"
    ],
    "versions": [
      {
        "version": "ed193ece2649c194a87a9d8470195760d367c075",
        "lessThan": "2bd4ff4ffb92113f8acd04dbaed83269172c24b4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ed193ece2649c194a87a9d8470195760d367c075",
        "lessThan": "575e84d90a74c0b091b3417ba763ebb237aa0a8c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ed193ece2649c194a87a9d8470195760d367c075",
        "lessThan": "259683001d7e879fea4b42084fb6560dd9408a7e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ed193ece2649c194a87a9d8470195760d367c075",
        "lessThan": "1dd7ae5e0cf5a56e513f7ab7ab9570b7496281d2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ed193ece2649c194a87a9d8470195760d367c075",
        "lessThan": "56077b56cd3fb78e1c8619e29581ba25a5c55e86",
        "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/link.c"
    ],
    "versions": [
      {
        "version": "4.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.181",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.113",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.30",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3.4",
        "lessThanOrEqual": "6.3.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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