{
  "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-2026-45846",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-45846",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-27T09:24:52.122Z",
    "updatedAt": "2026-06-14T17:46:30.495Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "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": "bareudp: fix NULL pointer dereference in bareudp_fill_metadata_dst()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nbareudp: fix NULL pointer dereference in bareudp_fill_metadata_dst()\n\nbareudp_fill_metadata_dst() passes bareudp->sock to\nudp_tunnel6_dst_lookup() in the IPv6 path without a NULL check.\nThe socket is only created in bareudp_open() and NULLed in\nbareudp_stop(), so calling this function while the device is down\ntriggers a NULL dereference via sock->sk.\n\n BUG: kernel NULL pointer dereference, address: 0000000000000018\n RIP: 0010:udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:160)\n Call Trace:\n  <TASK>\n  bareudp_fill_metadata_dst (drivers/net/bareudp.c:532)\n  do_execute_actions (net/openvswitch/actions.c:901)\n  ovs_execute_actions (net/openvswitch/actions.c:1589)\n  ovs_packet_cmd_execute (net/openvswitch/datapath.c:700)\n  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)\n  genl_rcv_msg (net/netlink/genetlink.c:1209)\n  netlink_rcv_skb (net/netlink/af_netlink.c:2550)\n  </TASK>\n\nAdd a NULL check returning -ESHUTDOWN, consistent with the xmit paths\nin the same driver.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
              "status": "affected",
              "versionType": "git",
              "lessThan": "31e010a106ff6cd8ccac4bfee547fd3fa1015574"
            },
            {
              "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
              "status": "affected",
              "versionType": "git",
              "lessThan": "55193df8d6d33318435f19572bf5ea47a22eee28"
            },
            {
              "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
              "status": "affected",
              "versionType": "git",
              "lessThan": "51eef9c072aa3405a6823a96ae666d38a3b48750"
            },
            {
              "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a0f4e4e8e0f5e24ddd83e3d1221732621cf34636"
            },
            {
              "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
              "status": "affected",
              "versionType": "git",
              "lessThan": "35a115a204be08f97450b0389413e218268ef4a2"
            },
            {
              "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
              "status": "affected",
              "versionType": "git",
              "lessThan": "74a02921c48fcd35a7881956c9e5c52b86595f5d"
            },
            {
              "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
              "status": "affected",
              "versionType": "git",
              "lessThan": "638905520fc4fae6a80991563f264131545ba3df"
            },
            {
              "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
              "status": "affected",
              "versionType": "git",
              "lessThan": "aa6c6d9ee064aabfede4402fd1283424e649ca19"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.7"
            },
            {
              "version": "5.10.258",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.209",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.175",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.141",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.91",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.33",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}