FKIE_CVE-2023-53751

Vulnerability from fkie_nvd - Published: 2025-12-08 02:15 - Updated: 2026-06-17 06:46
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname TCP_Server_Info::hostname may be updated once or many times during reconnect, so protect its access outside reconnect path as well and then prevent any potential use-after-free bugs.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0b08c4c499200be67d54c439d56e5ea866869945
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/64d62ac6d6514cba1305bd08e271ec1843bdd612
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/90c49fce1c43e1cc152695e20363ff5087897c09
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c511954bf142fe1995aec3c739a9f1a76990283a
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/cifs_debug.c",
            "fs/cifs/cifs_debug.h",
            "fs/cifs/connect.c",
            "fs/cifs/sess.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "64d62ac6d6514cba1305bd08e271ec1843bdd612",
              "status": "affected",
              "version": "93d5cb517db39e8af8d1292f9e785e4983b7f708",
              "versionType": "git"
            },
            {
              "lessThan": "c511954bf142fe1995aec3c739a9f1a76990283a",
              "status": "affected",
              "version": "93d5cb517db39e8af8d1292f9e785e4983b7f708",
              "versionType": "git"
            },
            {
              "lessThan": "0b08c4c499200be67d54c439d56e5ea866869945",
              "status": "affected",
              "version": "93d5cb517db39e8af8d1292f9e785e4983b7f708",
              "versionType": "git"
            },
            {
              "lessThan": "90c49fce1c43e1cc152695e20363ff5087897c09",
              "status": "affected",
              "version": "93d5cb517db39e8af8d1292f9e785e4983b7f708",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/cifs_debug.c",
            "fs/cifs/cifs_debug.h",
            "fs/cifs/connect.c",
            "fs/cifs/sess.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.0"
            },
            {
              "lessThan": "5.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.28",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.2.*",
              "status": "unaffected",
              "version": "6.2.15",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix potential use-after-free bugs in TCP_Server_Info::hostname\n\nTCP_Server_Info::hostname may be updated once or many times during\nreconnect, so protect its access outside reconnect path as well and\nthen prevent any potential use-after-free bugs."
    }
  ],
  "id": "CVE-2023-53751",
  "lastModified": "2026-06-17T06:46:00.433",
  "metrics": {},
  "published": "2025-12-08T02:15:50.590",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/0b08c4c499200be67d54c439d56e5ea866869945"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/64d62ac6d6514cba1305bd08e271ec1843bdd612"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/90c49fce1c43e1cc152695e20363ff5087897c09"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c511954bf142fe1995aec3c739a9f1a76990283a"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}



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