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CVE-2022-49630 tcp: Fix a data-race around sysctl_tcp_ecn_fallback.

🗓️ 26 Feb 2025 02:23:43Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Fixed vulnerability CVE-2022-49630 in Linux kernel addressing data race in TCP fallback setting.

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/sysctl_net_ipv4.c",
      "net/ipv4/tcp_output.c"
    ],
    "versions": [
      {
        "version": "492135557dc090a1abb2cfbe1a412757e3ed68ab",
        "lessThan": "8bcf7339f2cf70ea4461df6ea045d1aadfabfa11",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "492135557dc090a1abb2cfbe1a412757e3ed68ab",
        "lessThan": "1ec3d6c2626ee6e1b36b7bd006873a271406ba61",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "492135557dc090a1abb2cfbe1a412757e3ed68ab",
        "lessThan": "12b8d9ca7e678abc48195294494f1815b555d658",
        "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/sysctl_net_ipv4.c",
      "net/ipv4/tcp_output.c"
    ],
    "versions": [
      {
        "version": "4.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.56",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18.13",
        "lessThanOrEqual": "5.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 19:03Current
EPSS0.00163
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