fkie_cve-2025-21944
Vulnerability from fkie_nvd
Published
2025-04-01 16:15
Modified
2025-11-03 20:17
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2_lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smb_lock, not flags. It will cause bug-on trap from locks_free_lock in error handling routine.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/11e0e74e14f1832a95092f2c98ed3b99f57797eePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2b70e3ac79eacbdf32571f7af48dd81cdd957ca8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8994f0ce8259f812b4f4a681d8298c6ff682efaaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dbcd7fdd86f77529210fe8978154a81cd479844cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e26e2d2e15daf1ab33e0135caf2304a0cfa2744bPatch
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 6.14
linux linux_kernel 6.14
linux linux_kernel 6.14
linux linux_kernel 6.14
linux linux_kernel 6.14


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  "descriptions": [
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      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix bug on trap in smb2_lock\n\nIf lock count is greater than 1, flags could be old value.\nIt should be checked with flags of smb_lock, not flags.\nIt will cause bug-on trap from locks_free_lock in error handling\nroutine."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: se corrige un error en la trampa de smb2_lock. Si el n\u00famero de bloqueos es mayor que 1, las banderas podr\u00edan tener un valor anterior. Debe comprobarse con las banderas de smb_lock, no con las banderas. Esto provocar\u00e1 un error en la trampa de locks_free_lock en la rutina de gesti\u00f3n de errores."
    }
  ],
  "id": "CVE-2025-21944",
  "lastModified": "2025-11-03T20:17:31.290",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2025-04-01T16:15:25.513",
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  "vulnStatus": "Modified",
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          "lang": "en",
          "value": "CWE-667"
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      "source": "nvd@nist.gov",
      "type": "Primary"
    }
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}


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