{
  "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-2023-52757",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52757",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-21T15:30:44.248Z",
    "updatedAt": "2026-05-23T15:26:56.960Z",
    "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": "smb: client: fix potential deadlock when releasing mids",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix potential deadlock when releasing mids\n\nAll release_mid() callers seem to hold a reference of @mid so there is\nno need to call kref_put(&mid->refcount, __release_mid) under\n@server->mid_lock spinlock.  If they don't, then an use-after-free bug\nwould have occurred anyways.\n\nBy getting rid of such spinlock also fixes a potential deadlock as\nshown below\n\nCPU 0                                CPU 1\n------------------------------------------------------------------\ncifs_demultiplex_thread()            cifs_debug_data_proc_show()\n release_mid()\n  spin_lock(&server->mid_lock);\n                                     spin_lock(&cifs_tcp_ses_lock)\n\t\t\t\t      spin_lock(&server->mid_lock)\n  __release_mid()\n   smb2_find_smb_tcon()\n    spin_lock(&cifs_tcp_ses_lock) *deadlock*",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7b71843fa7028475b052107664cbe120156a2cfc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "99f476e27aad5964ab13777d84fda67d1356dec1"
            },
            {
              "version": "7b71843fa7028475b052107664cbe120156a2cfc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ce49569079a9d4cad26c0f1d4653382fd9a5ca7a"
            },
            {
              "version": "7b71843fa7028475b052107664cbe120156a2cfc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9eb44db68c5b7f5aa22b8fc7de74a3e2e08d1f29"
            },
            {
              "version": "7b71843fa7028475b052107664cbe120156a2cfc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b9bb9607b1fc12fca51f5632da25b36975f599bf"
            },
            {
              "version": "7b71843fa7028475b052107664cbe120156a2cfc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c1a5962f1462b64fe7b69f20a4b6af8067bc2d26"
            },
            {
              "version": "7b71843fa7028475b052107664cbe120156a2cfc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e6322fd177c6885a21dd4609dc5e5c973d1a2eb7"
            },
            {
              "version": "9871dea42034ee6e73bb2b97ba0284d3d462b230",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.4.6",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.5"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.5",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.5"
            },
            {
              "version": "5.10.237",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.181",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.64",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.5.13",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.5.*"
            },
            {
              "version": "6.6.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.7",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}