{
  "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-2026-23205",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-23205",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-02-14T16:27:28.409Z",
    "updatedAt": "2026-05-23T16:04:10.175Z",
    "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": "smb/client: fix memory leak in smb2_open_file()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/client: fix memory leak in smb2_open_file()\n\nReproducer:\n\n  1. server: directories are exported read-only\n  2. client: mount -t cifs //${server_ip}/export /mnt\n  3. client: dd if=/dev/zero of=/mnt/file bs=512 count=1000 oflag=direct\n  4. client: umount /mnt\n  5. client: sleep 1\n  6. client: modprobe -r cifs\n\nThe error message is as follows:\n\n  =============================================================================\n  BUG cifs_small_rq (Not tainted): Objects remaining on __kmem_cache_shutdown()\n  -----------------------------------------------------------------------------\n\n  Object 0x00000000d47521be @offset=14336\n  ...\n  WARNING: mm/slub.c:1251 at __kmem_cache_shutdown+0x34e/0x440, CPU#0: modprobe/1577\n  ...\n  Call Trace:\n   <TASK>\n   kmem_cache_destroy+0x94/0x190\n   cifs_destroy_request_bufs+0x3e/0x50 [cifs]\n   cleanup_module+0x4e/0x540 [cifs]\n   __se_sys_delete_module+0x278/0x400\n   __x64_sys_delete_module+0x5f/0x70\n   x64_sys_call+0x2299/0x2ff0\n   do_syscall_64+0x89/0x350\n   entry_SYSCALL_64_after_hwframe+0x76/0x7e\n  ...\n  kmem_cache_destroy cifs_small_rq: Slab cache still has objects when called from cifs_destroy_request_bufs+0x3e/0x50 [cifs]\n  WARNING: mm/slab_common.c:532 at kmem_cache_destroy+0x16b/0x190, CPU#0: modprobe/1577",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "17e53a15e64b65623b8f2b1185d27d7b1cbf69ab",
              "status": "affected",
              "versionType": "git",
              "lessThan": "743f70406264348c0830f38409eb6c40a42fb2db"
            },
            {
              "version": "18066188eb90cc0c798f3370a8078a79ddb73f70",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3a6d6b332f92990958602c1e35ce0173e2dd62e9"
            },
            {
              "version": "6ebb9d54eccc8026b386e76eff69364d33373da5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b64e3b5d8d759dd4333992e4ba4dadf9359952c8"
            },
            {
              "version": "e255612b5ed9f179abe8196df7c2ba09dd227900",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9ee608a64e37cea5b4b13e436c559dd0fb2ad1b5"
            },
            {
              "version": "e255612b5ed9f179abe8196df7c2ba09dd227900",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e3a43633023e3cacaca60d4b8972d084a2b06236"
            },
            {
              "version": "bcd15f06c7e8904116cfb06526bcc189b86aff85",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "6.1.141",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.163"
            },
            {
              "version": "6.6.93",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.124"
            },
            {
              "version": "6.12.31",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12.70"
            },
            {
              "version": "6.14.9",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.15"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.15",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.15"
            },
            {
              "version": "6.1.163",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.124",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.70",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}