{
  "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-2026-98175",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-98175",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-10-06T08:44:19.155Z",
    "updatedAt": "2026-10-19T09:15:06.742Z",
    "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": "smb: client: cancel reconnect work in clean_demultiplex_info()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: cancel reconnect work in clean_demultiplex_info()\n\nclean_demultiplex_info() cancels server->echo delayed work but not\nserver->reconnect, which can cause a use-after-free when the\ndemultiplex thread exits while a reconnect work is still queued:\n\n  cifs_demultiplex_thread()\n    cifs_readv_from_socket()\n      cifs_reconnect()\n        __cifs_reconnect()\n          cifs_queue_server_reconn()\n            mod_delayed_work(cifsiod_wq, &server->reconnect, 0)\n    clean_demultiplex_info()\n      cancel_delayed_work_sync(&server->echo)   // echo canceled\n                                                 // reconnect NOT canceled\n      kfree_sensitive(server)                    // server freed\n\n  ...later, on cifsiod_wq:\n\n  smb2_reconnect_server()\n    server->srv_count  // UAF read of freed server\n\nFix this by canceling server->reconnect delayed work in\nclean_demultiplex_info() before the server is freed, the same way\ncifs_put_tcp_session() already does.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "53e0e11efe9289535b060a51d4cf37c25e0d0f2b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "180380272f116dbd2b0354c5c7872e112e519149"
            },
            {
              "version": "53e0e11efe9289535b060a51d4cf37c25e0d0f2b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e3f6a779433d13aafb5edab59e4f9313051e8a52"
            },
            {
              "version": "53e0e11efe9289535b060a51d4cf37c25e0d0f2b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7ab9ceedd860216fb97f2d8574cbe58b8906f42a"
            },
            {
              "version": "53e0e11efe9289535b060a51d4cf37c25e0d0f2b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2e5103e11a17c274715dd56cf185eeedccf686b8"
            },
            {
              "version": "53e0e11efe9289535b060a51d4cf37c25e0d0f2b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c65eae6f61d1778ff7a82e4aae4080e26f486af1"
            },
            {
              "version": "e008a962311a875a828cbae54b43285858aaa6c8",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "123b228a09b90b50b0a9d6eb8294cf0c42efc029",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "0ba4c6eaaacbcc4b18f51bb3b1567c65a8fecca9",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "d0d2a4c82942e2f51e4984beea1f7e5a994bd06c",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "15a12fbbf365a483b1c19f9caeb707b3bea77e10",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "f0b715409cb9cf7e21e690f9b163047739761962",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "ff04da387c10b6bf7b510392742c8cd46c130fd6",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "48f9526f4dcb4b132fe0dc2450835311e3b013a6",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "3.10.107",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.11"
            },
            {
              "version": "3.12.70",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.13"
            },
            {
              "version": "3.16.42",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.17"
            },
            {
              "version": "3.18.47",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.19"
            },
            {
              "version": "4.1.38",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.2"
            },
            {
              "version": "4.4.40",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.5"
            },
            {
              "version": "4.8.16",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.9"
            },
            {
              "version": "4.9.1",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.10"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.10",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.10"
            },
            {
              "version": "6.6.158",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.112",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.54",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}