fkie_cve-2025-37776
Vulnerability from fkie_nvd
Published
2025-05-01 14:15
Modified
2025-11-14 16:45
Severity ?
7.0 (High) - CVSS:3.1/AV:L/AC:H/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 smb_break_all_levII_oplock() There is a room in smb_break_all_levII_oplock that can cause racy issues when unlocking in the middle of the loop. This patch use read lock to protect whole loop.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/18b4fac5ef17f77fed9417d22210ceafd6525fc7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/296cb5457cc6f4a754c4ae29855f8a253d52bcc6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d54ab1520d43e95f9b2e22d7a05fc9614192e5a5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d73686367ad68534257cd88a36ca3c52cb8b81d8Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.15
linux linux_kernel 6.15


To clipboard 

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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 smb_break_all_levII_oplock()\n\nThere is a room in smb_break_all_levII_oplock that can cause racy issues\nwhen unlocking in the middle of the loop. This patch use read lock\nto protect whole loop."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: se corrige el error \"use-after-free\" en smb_break_all_levII_oplock(). Existe una zona en smb_break_all_levII_oplock que puede causar problemas de velocidad al desbloquear en medio del bucle. Este parche utiliza un bloqueo de lectura para proteger todo el bucle."
    }
  ],
  "id": "CVE-2025-37776",
  "lastModified": "2025-11-14T16:45:45.340",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2025-05-01T14:15:41.373",
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  "vulnStatus": "Analyzed",
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          "lang": "en",
          "value": "CWE-416"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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