{"id":"CVE-2024-26866","title":"spi: lpspi: Avoid potential use-after-free in probe()","summary":"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…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 5314987de5e5f5e38436ef4a69328bc472bbd63e < 57a9b7fe61031f30c90d20c898160c397f6abe9f","Linux >= 5314987de5e5f5e38436ef4a69328bc472bbd63e < da83ed350e4604b976e94239b08d8e2e7eaee7ea","Linux >= 5314987de5e5f5e38436ef4a69328bc472bbd63e < 1543418e82789cc383cd36d41469983c64e3fc7f","Linux >= 5314987de5e5f5e38436ef4a69328bc472bbd63e < 996ce839606afd0fef91355627868022aa73eb68","Linux >= 5314987de5e5f5e38436ef4a69328bc472bbd63e < 2ae0ab0143fcc06190713ed81a6486ed0ad3c861","Linux 4.10"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-05-28T19:57:41.631957Z"},"published":"2024-04-17","updated":"2026-10-30","sourceUpdated":"2026-10-30T12:17:54.784Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-26866","references":[{"url":"https://git.kernel.org/stable/c/57a9b7fe61031f30c90d20c898160c397f6abe9f"},{"url":"https://git.kernel.org/stable/c/da83ed350e4604b976e94239b08d8e2e7eaee7ea"},{"url":"https://git.kernel.org/stable/c/1543418e82789cc383cd36d41469983c64e3fc7f"},{"url":"https://git.kernel.org/stable/c/996ce839606afd0fef91355627868022aa73eb68"},{"url":"https://git.kernel.org/stable/c/2ae0ab0143fcc06190713ed81a6486ed0ad3c861"}],"tags":["cve.org"],"epss":0.00216,"epssPercentile":0.12059,"ingestedAt":"2026-11-03T12:44:28.797Z","slug":"CVE-2024-26866","body":"## Overview\n\nIn 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() <- 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\n\n## Affected\n\n- `Linux >= 5314987de5e5f5e38436ef4a69328bc472bbd63e < 57a9b7fe61031f30c90d20c898160c397f6abe9f`\n- `Linux >= 5314987de5e5f5e38436ef4a69328bc472bbd63e < da83ed350e4604b976e94239b08d8e2e7eaee7ea`\n- `Linux >= 5314987de5e5f5e38436ef4a69328bc472bbd63e < 1543418e82789cc383cd36d41469983c64e3fc7f`\n- `Linux >= 5314987de5e5f5e38436ef4a69328bc472bbd63e < 996ce839606afd0fef91355627868022aa73eb68`\n- `Linux >= 5314987de5e5f5e38436ef4a69328bc472bbd63e < 2ae0ab0143fcc06190713ed81a6486ed0ad3c861`\n- `Linux 4.10`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}