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CVE-2026-45847 net: remove WARN_ON_ONCE when accessing forward path array

🗓️ 27 May 2026 12:15:07Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

CVE-2026-45847: Linux kernel removes WARN_ON_ONCE on forward path array access to mitigate IPIP tunnel risk.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/dev.c"
    ],
    "versions": [
      {
        "version": "ddb94eafab8b597b05904c8277194ea2d6357fa9",
        "lessThan": "548244c2f542aa0ad49453e9306e715a3877bc44",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddb94eafab8b597b05904c8277194ea2d6357fa9",
        "lessThan": "dcf9b3c90e5560339649d088836529883fb509f3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddb94eafab8b597b05904c8277194ea2d6357fa9",
        "lessThan": "9464ca7a6e56ad1ebf48b2ad5c16871edfad10c6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddb94eafab8b597b05904c8277194ea2d6357fa9",
        "lessThan": "959ea349c7e2d4edf07b6838ca7e59345fe61a08",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddb94eafab8b597b05904c8277194ea2d6357fa9",
        "lessThan": "50422613185d505201167e8bdd2f2700790d5db6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddb94eafab8b597b05904c8277194ea2d6357fa9",
        "lessThan": "a78d055ba7c31103ad02f8eceb0c452e154d2660",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddb94eafab8b597b05904c8277194ea2d6357fa9",
        "lessThan": "008e7a7c293b30bc43e4368dac6ea3808b75a572",
        "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/core/dev.c"
    ],
    "versions": [
      {
        "version": "5.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.202",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.165",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.128",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.14",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.4",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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