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CVE-2025-38463 tcp: Correct signedness in skb remaining space calculation

🗓️ 25 Jul 2025 15:27:45Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

CVE-2025-38463 resolves overflow issue in skb remaining space calculation in Linux kernel TCP.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/tcp.c"
    ],
    "versions": [
      {
        "version": "270a1c3de47e49dd2fc18f48e46b101e48050e78",
        "lessThan": "81373cd1d72d87c7d844d4454a526b8f53e72d00",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "270a1c3de47e49dd2fc18f48e46b101e48050e78",
        "lessThan": "62e6160cfb5514787bda833d466509edc38fde23",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "270a1c3de47e49dd2fc18f48e46b101e48050e78",
        "lessThan": "9f164fa6bb09fbcc60fa5c3ff551ce9eec1befd7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "270a1c3de47e49dd2fc18f48e46b101e48050e78",
        "lessThan": "d3a5f2871adc0c61c61869f37f3e697d97f03d8c",
        "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/ipv4/tcp.c"
    ],
    "versions": [
      {
        "version": "6.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.99",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.39",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.15.7",
        "lessThanOrEqual": "6.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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