{
  "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-2026-23001",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-23001",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-01-25T14:36:15.790Z",
    "updatedAt": "2026-10-19T18:25:27.213Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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": "macvlan: fix possible UAF in macvlan_forward_source()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmacvlan: fix possible UAF in macvlan_forward_source()\n\nAdd RCU protection on (struct macvlan_source_entry)->vlan.\n\nWhenever macvlan_hash_del_source() is called, we must clear\nentry->vlan pointer before RCU grace period starts.\n\nThis allows macvlan_forward_source() to skip over\nentries queued for freeing.\n\nNote that macvlan_dev are already RCU protected, as they\nare embedded in a standard netdev (netdev_priv(ndev)).\n\nhttps: //lore.kernel.org/netdev/695fb1e8.050a0220.1c677c.039f.GAE@google.com/T/#u",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "79cf79abce71eb7dbc40e2f3121048ca5405cb47",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8133e85b8a3ec9f10d861e0002ec6037256e987e"
            },
            {
              "version": "79cf79abce71eb7dbc40e2f3121048ca5405cb47",
              "status": "affected",
              "versionType": "git",
              "lessThan": "484919832e2db6ce1e8add92c469e5d459a516b5"
            },
            {
              "version": "79cf79abce71eb7dbc40e2f3121048ca5405cb47",
              "status": "affected",
              "versionType": "git",
              "lessThan": "232afc74a6dde0fe1830988e5827921f5ec9bb3f"
            },
            {
              "version": "79cf79abce71eb7dbc40e2f3121048ca5405cb47",
              "status": "affected",
              "versionType": "git",
              "lessThan": "15f6faf36e162532bec5cc05eb3fc622108bf2ed"
            },
            {
              "version": "79cf79abce71eb7dbc40e2f3121048ca5405cb47",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8518712a2ca952d6da2238c6f0a16b4ae5ea3f13"
            },
            {
              "version": "79cf79abce71eb7dbc40e2f3121048ca5405cb47",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6dbead9c7677186f22b7981dd085a0feec1f038e"
            },
            {
              "version": "79cf79abce71eb7dbc40e2f3121048ca5405cb47",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7470a7a63dc162f07c26dbf960e41ee1e248d80e"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.18",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.18"
            },
            {
              "version": "5.10.249",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.199",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.162",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.122",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.67",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.7",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}