FKIE_CVE-2024-26964

Vulnerability from fkie_nvd - Published: 2024-05-01 06:15 - Updated: 2024-12-23 13:41
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: usb: xhci: Add error handling in xhci_map_urb_for_dma Currently xhci_map_urb_for_dma() creates a temporary buffer and copies the SG list to the new linear buffer. But if the kzalloc_node() fails, then the following sg_pcopy_to_buffer() can lead to crash since it tries to memcpy to NULL pointer. So return -ENOMEM if kzalloc returns null pointer.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4a49d24fdec0a802aa686a567a3989a9fdf4e5ddPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/620b6cf2f1a270f48d38e6b8ce199c1acb3e90f4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7b6cc33593d7ccfc3011b290849cfa899db46757Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/962300a360d24c5be5a188cda48da58a37e4304dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b2c898469dfc388f619c6c972a28466cbb1442eaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/be95cc6d71dfd0cba66e3621c65413321b398052Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4a49d24fdec0a802aa686a567a3989a9fdf4e5ddPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/620b6cf2f1a270f48d38e6b8ce199c1acb3e90f4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7b6cc33593d7ccfc3011b290849cfa899db46757Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/962300a360d24c5be5a188cda48da58a37e4304dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b2c898469dfc388f619c6c972a28466cbb1442eaPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/be95cc6d71dfd0cba66e3621c65413321b398052Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

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  "cveTags": [],
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    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: xhci: Add error handling in xhci_map_urb_for_dma\n\nCurrently xhci_map_urb_for_dma() creates a temporary buffer and copies\nthe SG list to the new linear buffer. But if the kzalloc_node() fails,\nthen the following sg_pcopy_to_buffer() can lead to crash since it\ntries to memcpy to NULL pointer.\n\nSo return -ENOMEM if kzalloc returns null pointer."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: xhci: agregar manejo de errores en xhci_map_urb_for_dma Actualmente, xhci_map_urb_for_dma() crea un b\u00fafer temporal y copia la lista SG en el nuevo b\u00fafer lineal. Pero si kzalloc_node() falla, entonces el siguiente sg_pcopy_to_buffer() puede provocar un fallo ya que intenta memcpy al puntero NULL. Entonces devuelve -ENOMEM si kzalloc devuelve un puntero nulo."
    }
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  "id": "CVE-2024-26964",
  "lastModified": "2024-12-23T13:41:58.437",
  "metrics": {
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          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
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  "published": "2024-05-01T06:15:12.707",
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}


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