FKIE_CVE-2023-52931

Vulnerability from fkie_nvd - Published: 2025-03-27 17:15 - Updated: 2025-04-01 15:40
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: drm/i915: Avoid potential vm use-after-free Adding the vm to the vm_xa table makes it visible to userspace, which could try to race with us to close the vm. So we need to take our extra reference before putting it in the table. (cherry picked from commit 99343c46d4e2b34c285d3d5f68ff04274c2f9fb4)
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/41d419382ec7e257e54b7b6ff0d3623aafb1316dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/764accc2c1b8fd1507be2e7f436c94cdce887a00Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 6.2
linux linux_kernel 6.2
linux linux_kernel 6.2
linux linux_kernel 6.2
linux linux_kernel 6.2
linux linux_kernel 6.2
To clipboard 

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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915: Avoid potential vm use-after-free\n\nAdding the vm to the vm_xa table makes it visible to userspace, which\ncould try to race with us to close the vm.  So we need to take our extra\nreference before putting it in the table.\n\n(cherry picked from commit 99343c46d4e2b34c285d3d5f68ff04274c2f9fb4)"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/i915: Evite el posible use-after-free de la m\u00e1quina virtual. A\u00f1ada la m\u00e1quina virtual a vm_xa la hace visible para el espacio de usuario, lo que podr\u00eda intentar cerrarla r\u00e1pidamente. Por lo tanto, debemos tomar nuestra referencia adicional antes de a\u00f1adirla a la tabla. (Seleccionado del commit 99343c46d4e2b34c285d3d5f68ff04274c2f9fb4)"
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  "id": "CVE-2023-52931",
  "lastModified": "2025-04-01T15:40:49.540",
  "metrics": {
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          "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"
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  "published": "2025-03-27T17:15:42.800",
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}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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