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CVE-2026-43198

🗓️ 06 May 2026 11:28:05Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 65 Views

Fix issue in tcp_v6_syn_recv_sock by moving init to tcp_v6_mapped_child_init before ehash

Related
Detection
Affected
Refs
Social
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange2.6.12.16.18.16
linuxlinux_kernelRange6.196.19.6
linuxlinux_kernelMatch2.6.12-
linuxlinux_kernelMatch2.6.12rc2
linuxlinux_kernelMatch2.6.12rc3
linuxlinux_kernelMatch2.6.12rc4
linuxlinux_kernelMatch2.6.12rc5
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/inet_connection_sock.h",
      "include/net/tcp.h",
      "net/ipv4/syncookies.c",
      "net/ipv4/tcp_fastopen.c",
      "net/ipv4/tcp_ipv4.c",
      "net/ipv4/tcp_minisocks.c",
      "net/ipv6/tcp_ipv6.c",
      "net/mptcp/subflow.c",
      "net/smc/af_smc.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "fe89b2f05b854847784f91127319172945c1fadd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "7178e2a8027423b2af17ab95df73a749a5b72e5b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "858d2a4f67ff69e645a43487ef7ea7f28f06deae",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/inet_connection_sock.h",
      "include/net/tcp.h",
      "net/ipv4/syncookies.c",
      "net/ipv4/tcp_fastopen.c",
      "net/ipv4/tcp_ipv4.c",
      "net/ipv4/tcp_minisocks.c",
      "net/ipv6/tcp_ipv6.c",
      "net/mptcp/subflow.c",
      "net/smc/af_smc.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.16",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.6",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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20 Jul 2026 12:19Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.19.8
EPSS0.00298
65