{
  "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-2026-43035",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-43035",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-01T14:15:33.922Z",
    "updatedAt": "2026-10-15T01:18:48.168Z",
    "importedAt": "2026-10-24T01:58:08.712Z",
    "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": "net: sched: cls_api: fix tc_chain_fill_node to initialize tcm_info to zero to prevent an info-leak",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sched: cls_api: fix tc_chain_fill_node to initialize tcm_info to zero to prevent an info-leak\n\nWhen building netlink messages, tc_chain_fill_node() never initializes\nthe tcm_info field of struct tcmsg. Since the allocation is not zeroed,\nkernel heap memory is leaked to userspace through this 4-byte field.\n\nThe fix simply zeroes tcm_info alongside the other fields that are\nalready initialized.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "32a4f5ecd7381f30ae3bb36dea77a150ba68af2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "903c3405cfcc7700260e456ab66a5867586c9e69"
            },
            {
              "version": "32a4f5ecd7381f30ae3bb36dea77a150ba68af2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "71a3eda7e850ae844cb8993065f4e410c11a46ce"
            },
            {
              "version": "32a4f5ecd7381f30ae3bb36dea77a150ba68af2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4ae5d23f51fb91d7d1140c6f1ba77ab0756054c3"
            },
            {
              "version": "32a4f5ecd7381f30ae3bb36dea77a150ba68af2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e35f5195cd44ff4053fbc5d71ea97681728a0099"
            },
            {
              "version": "32a4f5ecd7381f30ae3bb36dea77a150ba68af2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d6db08484c6cb3d4ad696246f9d288eceba2a078"
            },
            {
              "version": "32a4f5ecd7381f30ae3bb36dea77a150ba68af2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "906997ea3766c24fbbf9cc4bf17c047315bbd138"
            },
            {
              "version": "32a4f5ecd7381f30ae3bb36dea77a150ba68af2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1091b3c174441a52fdbb92e2fe00338f9371a91c"
            },
            {
              "version": "32a4f5ecd7381f30ae3bb36dea77a150ba68af2e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e6e3eb5ee89ac4c163d46429391c889a1bb5e404"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.19"
            },
            {
              "version": "5.10.253",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.203",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.168",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.134",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.81",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.22",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}