{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-74695",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-74695",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-08-22T15:32:57.756Z",
    "updatedAt": "2026-10-21T12:46:10.628Z",
    "importedAt": "2026-10-24T01:58:30.346Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "netfilter: nf_flow_table: drop existing skb dst before skb_dst_set_noref()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_flow_table: drop existing skb dst before skb_dst_set_noref()\n\nIncoming skbs passing through netfilter flowtable offload hooks (or XFRM\noffload path) might already carry a ref-counted dst_entry assigned during\nearlier RX or routing steps.\n\nCalling skb_dst_set_noref() when skb already holds a ref-counted dst\noverwrites skb->_skb_refdst, leaking the previous dst_entry reference\ncount and triggering a DEBUG_NET_WARN_ON_ONCE assertion in\nskb_dst_check_unset():\n\n  WARNING: at skb_dst_check_unset include/linux/skbuff.h:1170\n  WARNING: at skb_dst_set_noref include/linux/skbuff.h:1234\n  WARNING: at nf_flow_offload_ip_hook+0xf6c/0x2b60 net/netfilter/nf_flow_table_ip.c:864\n\nDrop any existing dst_entry reference with skb_dst_drop(skb) before\nsetting the non-referenced flowtable destination.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2a79fd3908acd88e6cb0e620c314d7b1fee56a02",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4db3b48a966ed479b99cc8319ea9e46d4f7c703b"
            },
            {
              "version": "2a79fd3908acd88e6cb0e620c314d7b1fee56a02",
              "status": "affected",
              "versionType": "git",
              "lessThan": "274f544a32c08638ee887f2e27e3235b6b1237d4"
            },
            {
              "version": "2a79fd3908acd88e6cb0e620c314d7b1fee56a02",
              "status": "affected",
              "versionType": "git",
              "lessThan": "12afa450a6a6c0cce2c42b7545a9958f62d8a00c"
            },
            {
              "version": "2a79fd3908acd88e6cb0e620c314d7b1fee56a02",
              "status": "affected",
              "versionType": "git",
              "lessThan": "538e67e8c7889cf5f93951f5309d1bcb41f86036"
            },
            {
              "version": "2a79fd3908acd88e6cb0e620c314d7b1fee56a02",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8aecf0bbcc72605592134c917c222207d8f63ab0"
            },
            {
              "version": "b4b1adf2e66ecc7125c4117e7aad9ff61e2cfd27",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "209dedf806d31095968f54323dbe62525b077b33",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "4.16.15",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.17"
            },
            {
              "version": "4.17.1",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.18"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.18",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.18"
            },
            {
              "version": "6.6.160",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.114",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.45",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}