fkie_cve-2023-52930
Vulnerability from fkie_nvd
Published
2025-03-27 17:15
Modified
2025-10-01 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
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: Fix potential bit_17 double-free A userspace with multiple threads racing I915_GEM_SET_TILING to set the tiling to I915_TILING_NONE could trigger a double free of the bit_17 bitmask. (Or conversely leak memory on the transition to tiled.) Move allocation/free'ing of the bitmask within the section protected by the obj lock. [tursulin: Correct fixes tag and added cc stable.] (cherry picked from commit 10e0cbaaf1104f449d695c80bcacf930dcd3c42e)
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0769f997a7b6d5cb8336db0b4ec3d2d311b8097cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7057a8f126f14f14b040faecfa220fd27c6c2f85Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b591abac78e25269b12e3d7170c99463f8c5cb02Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e3ebc3e23bd9028a8a9a26cbc5985f99be445f65Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
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": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915: Fix potential bit_17 double-free\n\nA userspace with multiple threads racing I915_GEM_SET_TILING to set the\ntiling to I915_TILING_NONE could trigger a double free of the bit_17\nbitmask.  (Or conversely leak memory on the transition to tiled.)  Move\nallocation/free\u0027ing of the bitmask within the section protected by the\nobj lock.\n\n[tursulin: Correct fixes tag and added cc stable.]\n(cherry picked from commit 10e0cbaaf1104f449d695c80bcacf930dcd3c42e)"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/i915: Se corrige la posible doble liberaci\u00f3n de bit_17. Un espacio de usuario con varios subprocesos que compiten con I915_GEM_SET_TILING para establecer el mosaico en I915_TILING_NONE podr\u00eda provocar una doble liberaci\u00f3n de la m\u00e1scara de bits bit_17. (O, por el contrario, una fuga de memoria al cambiar a mosaico). Se ha trasladado la asignaci\u00f3n/liberaci\u00f3n de la m\u00e1scara de bits dentro de la secci\u00f3n protegida por el bloqueo obj. [tursulin: Se corrige la etiqueta de correcciones y se ha a\u00f1adido la versi\u00f3n estable de cc.] (Seleccionado del commit 10e0cbaaf1104f449d695c80bcacf930dcd3c42e)"
    }
  ],
  "id": "CVE-2023-52930",
  "lastModified": "2025-10-01T20:17:11.503",
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2025-03-27T17:15:42.477",
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