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CVE-2026-74701 net/openvswitch: check Ethernet header length in key_extract()

🗓️ 22 Aug 2026 15:33:01Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Missing Ethernet header length check in Linux kernel openvswitch key_extract() triggers kernel BUG.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-74701
22 Aug 202615:33
cve
euvd
EUVD
EUVD-2026-64388
22 Aug 202615:33
euvd
nvd
NVD
CVE-2026-74701
22 Aug 202616:16
nvd
ptsecurity
Positive Technologies
PT-2026-79706
22 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/openvswitch/flow.c"
    ],
    "versions": [
      {
        "version": "217ac77a3c2524d999730b2a80b61fcc2d0f734a",
        "lessThan": "e85278afd4890dd190ba3c7a1b1a712b801c9fe1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "217ac77a3c2524d999730b2a80b61fcc2d0f734a",
        "lessThan": "81f9b09f0ea3ba9ab966dd17e9f32625a14555e9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "217ac77a3c2524d999730b2a80b61fcc2d0f734a",
        "lessThan": "831471718f6e19aed1a330b03b53190a90e06466",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "217ac77a3c2524d999730b2a80b61fcc2d0f734a",
        "lessThan": "d8bea341b183190ce6c055ab0e64ab78eb9a7290",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "217ac77a3c2524d999730b2a80b61fcc2d0f734a",
        "lessThan": "0b60b55652ba772b173dddc63f3851e1d2dd5927",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "217ac77a3c2524d999730b2a80b61fcc2d0f734a",
        "lessThan": "a8139285c8925efe59af28a9169bb2fda91bff15",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "217ac77a3c2524d999730b2a80b61fcc2d0f734a",
        "lessThan": "9b8cfbb58b85bfa7a78fac47fdc77396cd01f699",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "217ac77a3c2524d999730b2a80b61fcc2d0f734a",
        "lessThan": "cf6f8b29befb92173659bcef6a441d274947bfae",
        "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/openvswitch/flow.c"
    ],
    "versions": [
      {
        "version": "4.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.265",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.216",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.152",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.104",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.45",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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