{"id":"AZL-55974","summary":"CVE-2024-26866 affecting package kernel 5.15.200.1-1","details":"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","modified":"2026-04-01T05:18:47.186801Z","published":"2024-04-17T11:15:09Z","upstream":["CVE-2024-26866"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26866"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.15.200.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-55974.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}