FKIE_CVE-2023-54280

Vulnerability from fkie_nvd - Published: 2025-12-30 13:16 - Updated: 2026-06-17 06:47
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential race when tree connecting ipc Protect access of TCP_Server_Info::hostname when building the ipc tree name as it might get freed in cifsd thread and thus causing an use-after-free bug in __tree_connect_dfs_target(). Also, while at it, update status of IPC tcon on success and then avoid any extra tree connects.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/536ec71ba060a02fabe8e22cecb82fe7b3a8708b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/553476df55a111e6a66ad9155256aec0ec1b7ad0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ee20d7c6100752eaf2409d783f4f1449c29ea33d
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/dfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "536ec71ba060a02fabe8e22cecb82fe7b3a8708b",
              "status": "affected",
              "version": "c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e",
              "versionType": "git"
            },
            {
              "lessThan": "553476df55a111e6a66ad9155256aec0ec1b7ad0",
              "status": "affected",
              "version": "c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e",
              "versionType": "git"
            },
            {
              "lessThan": "ee20d7c6100752eaf2409d783f4f1449c29ea33d",
              "status": "affected",
              "version": "c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "81d583baa5f1abd73c755ce1992929debd20b687",
              "versionType": "git"
            },
            {
              "lessThan": "5.16",
              "status": "affected",
              "version": "5.15.81",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/dfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.16"
            },
            {
              "lessThan": "5.16",
              "status": "unaffected",
              "version": "0",
              "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 race when tree connecting ipc\n\nProtect access of TCP_Server_Info::hostname when building the ipc tree\nname as it might get freed in cifsd thread and thus causing an\nuse-after-free bug in __tree_connect_dfs_target().  Also, while at it,\nupdate status of IPC tcon on success and then avoid any extra tree\nconnects."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ncifs: corregir una posible condici\u00f3n de carrera al conectar el \u00e1rbol ipc\n\nProteger el acceso a TCP_Server_Info::hostname al construir el nombre del \u00e1rbol ipc, ya que podr\u00eda ser liberado en el hilo cifsd y as\u00ed causar un error de uso despu\u00e9s de liberaci\u00f3n en __tree_connect_dfs_target(). Adem\u00e1s, ya que estamos en ello, actualizar el estado de IPC tcon en caso de \u00e9xito y luego evitar cualquier conexi\u00f3n de \u00e1rbol adicional."
    }
  ],
  "id": "CVE-2023-54280",
  "lastModified": "2026-06-17T06:47:08.930",
  "metrics": {},
  "published": "2025-12-30T13:16:16.970",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/536ec71ba060a02fabe8e22cecb82fe7b3a8708b"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/553476df55a111e6a66ad9155256aec0ec1b7ad0"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ee20d7c6100752eaf2409d783f4f1449c29ea33d"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.