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CVE-2023-53751 cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname

🗓️ 08 Dec 2025 01:19:11Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

Fix potential use after free in hostname updates for the reconnection path of the Common Internet File System

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/cifs/cifs_debug.c",
      "fs/cifs/cifs_debug.h",
      "fs/cifs/connect.c",
      "fs/cifs/sess.c"
    ],
    "versions": [
      {
        "version": "93d5cb517db39e8af8d1292f9e785e4983b7f708",
        "lessThan": "64d62ac6d6514cba1305bd08e271ec1843bdd612",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "93d5cb517db39e8af8d1292f9e785e4983b7f708",
        "lessThan": "c511954bf142fe1995aec3c739a9f1a76990283a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "93d5cb517db39e8af8d1292f9e785e4983b7f708",
        "lessThan": "0b08c4c499200be67d54c439d56e5ea866869945",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "93d5cb517db39e8af8d1292f9e785e4983b7f708",
        "lessThan": "90c49fce1c43e1cc152695e20363ff5087897c09",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/cifs/cifs_debug.c",
      "fs/cifs/cifs_debug.h",
      "fs/cifs/connect.c",
      "fs/cifs/sess.c"
    ],
    "versions": [
      {
        "version": "5.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.28",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2.15",
        "lessThanOrEqual": "6.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3.2",
        "lessThanOrEqual": "6.3.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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