CVE-2024-26866
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2024-11-05 09:17
Severity ?
Summary
spi: lpspi: Avoid potential use-after-free in probe()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1543418e82789cc383cd36d41469983c64e3fc7f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2ae0ab0143fcc06190713ed81a6486ed0ad3c861
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/996ce839606afd0fef91355627868022aa73eb68
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/da83ed350e4604b976e94239b08d8e2e7eaee7ea
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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    "datePublished": "2024-04-17T10:27:28.163Z",
    "dateReserved": "2024-02-19T14:20:24.184Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26866\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-17T11:15:09.253\",\"lastModified\":\"2024-04-17T12:48:07.510\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nspi: lpspi: Avoid potential use-after-free in probe()\\n\\nfsl_lpspi_probe() is allocating/disposing memory manually with\\nspi_alloc_host()/spi_alloc_target(), but uses\\ndevm_spi_register_controller(). In case of error after the latter call the\\nmemory will be explicitly freed in the probe function by\\nspi_controller_put() call, but used afterwards by \\\"devm\\\" management outside\\nprobe() (spi_unregister_controller() \u003c- devm_spi_unregister() below).\\n\\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000070\\n...\\nCall trace:\\n kernfs_find_ns\\n kernfs_find_and_get_ns\\n sysfs_remove_group\\n sysfs_remove_groups\\n device_remove_attrs\\n device_del\\n spi_unregister_controller\\n devm_spi_unregister\\n release_nodes\\n devres_release_all\\n really_probe\\n driver_probe_device\\n __device_attach_driver\\n bus_for_each_drv\\n __device_attach\\n device_initial_probe\\n bus_probe_device\\n deferred_probe_work_func\\n process_one_work\\n worker_thread\\n kthread\\n ret_from_fork\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: spi: lpspi: evita el posible use-after-free en probe() fsl_lpspi_probe() est\u00e1 asignando/eliminando memoria manualmente con spi_alloc_host()/spi_alloc_target(), pero usa devm_spi_register_controller() . En caso de error despu\u00e9s de la \u00faltima llamada, la memoria se liberar\u00e1 expl\u00edcitamente en la funci\u00f3n de sonda mediante la llamada a spi_controller_put(), pero la administraci\u00f3n \\\"devm\\\" externa a probe() la utilizar\u00e1 despu\u00e9s (spi_unregister_controller() \u0026lt;- devm_spi_unregister() a continuaci\u00f3n). No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000070... Rastreo de llamadas: kernfs_find_ns kernfs_find_and_get_ns sysfs_remove_group sysfs_remove_groups device_remove_attrs device_del spi_unregister_controller devm_spi_unregister release_nodes devres_release _todos realmente_probe driver_probe_device __device_attach_driver bus_for_each_drv __device_attach dispositivo_initial_probe bus_probe_device deferred_probe_work_func proceso_one_work trabajador_hilo kthread ret_from_fork\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1543418e82789cc383cd36d41469983c64e3fc7f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/2ae0ab0143fcc06190713ed81a6486ed0ad3c861\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/996ce839606afd0fef91355627868022aa73eb68\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/da83ed350e4604b976e94239b08d8e2e7eaee7ea\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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