cve-2024-26716
Vulnerability from cvelistv5
Published
2024-04-03 14:55
Modified
2024-08-02 00:14
Severity
Summary
usb: core: Prevent null pointer dereference in update_port_device_state
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/12783c0b9e2c7915a50d5ec829630ff2da50472c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/465b545d1d7ef282192ddd4439b08279bdb13f6f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ed85777c640cf9e6920bb1b60ed8cd48e1f4d873
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26716\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-03T15:15:53.800\",\"lastModified\":\"2024-04-03T17:24:18.150\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nusb: core: Prevent null pointer dereference in update_port_device_state\\n\\nCurrently, the function update_port_device_state gets the usb_hub from\\nudev-\u003eparent by calling usb_hub_to_struct_hub.\\nHowever, in case the actconfig or the maxchild is 0, the usb_hub would\\nbe NULL and upon further accessing to get port_dev would result in null\\npointer dereference.\\n\\nFix this by introducing an if check after the usb_hub is populated.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: core: evita la desreferencia del puntero nulo en update_port_device_state Actualmente, la funci\u00f3n update_port_device_state obtiene el usb_hub de udev-\u0026gt;parent llamando a usb_hub_to_struct_hub. Sin embargo, en caso de que actconfig o maxchild sean 0, usb_hub ser\u00eda NULL y, al acceder m\u00e1s para obtener port_dev, se producir\u00eda una desreferencia del puntero nulo. Solucione este problema introduciendo una verificaci\u00f3n if despu\u00e9s de que se complete usb_hub.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/12783c0b9e2c7915a50d5ec829630ff2da50472c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/465b545d1d7ef282192ddd4439b08279bdb13f6f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ed85777c640cf9e6920bb1b60ed8cd48e1f4d873\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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