fkie_cve-2025-22041
Vulnerability from fkie_nvd
Published
2025-04-16 15:15
Modified
2025-11-03 20:17
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_sessions_deregister() In multichannel mode, UAF issue can occur in session_deregister when the second channel sets up a session through the connection of the first channel. session that is freed through the global session table can be accessed again through ->sessions of connection.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/15a9605f8d69dc85005b1a00c31a050b8625e1aaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/33cc29e221df7a3085ae413e8c26c4e81a151153Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8ed0e9d2f410f63525afb8351181eea36c80bcf1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a8a8ae303a8395cbac270b5b404d85df6ec788f8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f0eb3f575138b816da74697bd506682574742fcdPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "2EFC4C26-A1CE-49FA-98FE-0CF323672E9B",
              "versionEndExcluding": "6.1.134",
              "vulnerable": true
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          "negate": false,
          "operator": "OR"
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix use-after-free in ksmbd_sessions_deregister()\n\nIn multichannel mode, UAF issue can occur in session_deregister\nwhen the second channel sets up a session through the connection of\nthe first channel. session that is freed through the global session\ntable can be accessed again through -\u003esessions of connection."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: correcci\u00f3n de use-after-free en ksmbd_sessions_deregister() En el modo multicanal, el problema de UAF puede ocurrir en session_deregister cuando el segundo canal configura una sesi\u00f3n a trav\u00e9s de la conexi\u00f3n del primer canal. A la sesi\u00f3n que se libera a trav\u00e9s de la tabla de sesiones global se puede acceder nuevamente a trav\u00e9s de -\u0026gt;sessions de la conexi\u00f3n."
    }
  ],
  "id": "CVE-2025-22041",
  "lastModified": "2025-11-03T20:17:39.210",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-04-16T15:15:56.693",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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