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CVE-2026-68118

🗓️ 10 Aug 2026 11:58:38Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Linux kernel fix: challenge ACK for non-exact reset in SYN-RECEIVED per RFC 5961.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-68118 tcp: challenge ACK for non-exact RST in SYN-RECEIVED
10 Aug 202611:58
cvelist
euvd
EUVD
EUVD-2026-55499
10 Aug 202615:33
euvd
nvd
NVD
CVE-2026-68118
10 Aug 202613:19
nvd
Vulners
CNA
Node
OR
OR
linuxlinux_kernelRange3.0.583.1
linuxlinux_kernelRange3.2.373.3
linuxlinux_kernelRange3.4.253.5
OR
linuxlinux_kernelRange3.66.18.42
linuxlinux_kernelRange6.19.07.1.6
linuxlinux_kernelRange7.2.07.2-rc5
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/tcp.h",
      "net/ipv4/tcp_input.c",
      "net/ipv4/tcp_minisocks.c"
    ],
    "versions": [
      {
        "version": "282f23c6ee343126156dd41218b22ece96d747e3",
        "lessThan": "234f9ffbd9b2c1b24ec67200ea3cff07401bec48",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "282f23c6ee343126156dd41218b22ece96d747e3",
        "lessThan": "22cec809b048495310f206d9abbcdbbfbdce3ae3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "282f23c6ee343126156dd41218b22ece96d747e3",
        "lessThan": "a28c4fcbf774e23b4779cae468e3497a5ad1f4a1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "86791bbfe5ed7b275be040cfeff049a1624af1b7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61f69dc4e40e41b0018f00fa4aeb23d3239556fb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34fb350281ced2a72707a5c0064f69992d440edb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3.0.58",
        "lessThan": "3.1",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "3.2.37",
        "lessThan": "3.3",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "3.4.25",
        "lessThan": "3.5",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/tcp.h",
      "net/ipv4/tcp_input.c",
      "net/ipv4/tcp_minisocks.c"
    ],
    "versions": [
      {
        "version": "3.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.6",
        "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-rc5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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