{
  "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-2023-52480",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52480",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-02-29T05:43:12.019Z",
    "updatedAt": "2026-08-15T12:23:49.816Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "ksmbd: fix race condition between session lookup and expire",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix race condition between session lookup and expire\n\n Thread A                        +  Thread B\n ksmbd_session_lookup            |  smb2_sess_setup\n   sess = xa_load                |\n                                 |\n                                 |    xa_erase(&conn->sessions, sess->id);\n                                 |\n                                 |    ksmbd_session_destroy(sess) --> kfree(sess)\n                                 |\n   // UAF!                       |\n   sess->last_active = jiffies   |\n                                 +\n\nThis patch add rwsem to fix race condition between ksmbd_session_lookup\nand ksmbd_expire_session.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "a6a9601ba995d0fec635324cb9fd8d14f9bea14e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c77fd3e25a51ac92b0f1b347a96eff6a0b4f066f"
            },
            {
              "version": "1fc8a2b14ef5223f8e0b95faba2ee0a6e4d0f99d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a2ca5fd3dbcc665e1169044fa0c9e3eba779202b"
            },
            {
              "version": "ea174a91893956450510945a0c5d1a10b5323656",
              "status": "affected",
              "versionType": "git",
              "lessThan": "18ced78b0ebccc2d16f426143dc56ab3aad666be"
            },
            {
              "version": "ea174a91893956450510945a0c5d1a10b5323656",
              "status": "affected",
              "versionType": "git",
              "lessThan": "53ff5cf89142b978b1a5ca8dc4d4425e6a09745f"
            },
            {
              "version": "750a2d772e9d9ff377fd32e3b6797bf2cd847a7a",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "6775ee7ef4b37c521aa4cf3730f54554c4875542",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "6.1.29",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.57"
            },
            {
              "version": "6.2.16",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.3"
            },
            {
              "version": "6.3.2",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.4"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.4"
            },
            {
              "version": "6.1.57",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.5.7",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.5.*"
            },
            {
              "version": "6.6",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}