{
  "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-2026-98559",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-98559",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-10-18T15:18:26.349Z",
    "updatedAt": "2026-10-19T09:21:43.436Z",
    "importedAt": "2026-10-24T01:58:41.756Z",
    "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/smc: fix UAF on lgr list traversal in smcr_port_err()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: fix UAF on lgr list traversal in smcr_port_err()\n\nsmcr_port_err() traverses smc_lgr_list.list without holding\nsmc_lgr_list.lock, allowing a concurrent smc_lgr_terminate_sched()\nto free an lgr while it is still being dereferenced.\n\nHold smc_lgr_list.lock across the traversal. Update\nsmc_ib_gid_check() to call smcr_port_err() after releasing the lock.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "541afa10c126b6c22c2a805a559c70cc41fd156e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "34bcf11cd2528ae00bb6d764d808083c66824277"
            },
            {
              "version": "541afa10c126b6c22c2a805a559c70cc41fd156e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0edcc4284392b28826b5d37532b366b291e6e0fa"
            },
            {
              "version": "541afa10c126b6c22c2a805a559c70cc41fd156e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "00a59600ae72d24859d0ad1783a78bc921bc2599"
            },
            {
              "version": "541afa10c126b6c22c2a805a559c70cc41fd156e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3d35f069e1c119992000d51236dbe54da2d4e61e"
            },
            {
              "version": "541afa10c126b6c22c2a805a559c70cc41fd156e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3d65a2eb4449fc9658fb860dea893025d028d90e"
            },
            {
              "version": "541afa10c126b6c22c2a805a559c70cc41fd156e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a9b968e42690d784c241a0761c10253271f7df5d"
            },
            {
              "version": "541afa10c126b6c22c2a805a559c70cc41fd156e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "61cb282fe97b3b0ba32ca09417a693162bf4ae3f"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.8",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.8"
            },
            {
              "version": "5.15.222",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.189",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.158",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.112",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.55",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}