{"id":"CVE-2024-53068","title":"firmware: arm_scmi: Fix slab-use-after-free in scmi_bus_notifier()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Fix slab-use-after-free in scmi_bus_notifier()\n\nThe scmi_dev->name is released prematurely in __scmi_device_destroy(),\nwhich causes slab-use-after-f…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"adp","vendor":"Linux","product":"Linux","affected":["Linux >= ee7a9c9f67c59008b330deff2762bd8cf1407eec < c3c49feed980279e8342b934bf2c7f25df1b0bc1","Linux >= ee7a9c9f67c59008b330deff2762bd8cf1407eec < 15b17bbcea07d49c43d21aa700485cbd9f9d00d8","Linux >= ee7a9c9f67c59008b330deff2762bd8cf1407eec < 1e1f523b185a8ccdcba625b31ff0312d052900e2","Linux >= ee7a9c9f67c59008b330deff2762bd8cf1407eec < 295416091e44806760ccf753aeafdafc0ae268f3","Linux 5.6"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2025-03-06T16:07:52.490511Z"},"published":"2024-11-19","updated":"2026-10-30","sourceUpdated":"2026-10-30T12:19:57.924Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-53068","references":[{"url":"https://git.kernel.org/stable/c/c3c49feed980279e8342b934bf2c7f25df1b0bc1"},{"url":"https://git.kernel.org/stable/c/15b17bbcea07d49c43d21aa700485cbd9f9d00d8"},{"url":"https://git.kernel.org/stable/c/1e1f523b185a8ccdcba625b31ff0312d052900e2"},{"url":"https://git.kernel.org/stable/c/295416091e44806760ccf753aeafdafc0ae268f3"}],"tags":["cve.org"],"epss":0.00221,"epssPercentile":0.12748,"ingestedAt":"2026-11-03T14:47:02.513Z","slug":"CVE-2024-53068","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Fix slab-use-after-free in scmi_bus_notifier()\n\nThe scmi_dev->name is released prematurely in __scmi_device_destroy(),\nwhich causes slab-use-after-free when accessing scmi_dev->name in\nscmi_bus_notifier(). So move the release of scmi_dev->name to\nscmi_device_release() to avoid slab-use-after-free.\n\n  |  BUG: KASAN: slab-use-after-free in strncmp+0xe4/0xec\n  |  Read of size 1 at addr ffffff80a482bcc0 by task swapper/0/1\n  |\n  |  CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.6.38-debug #1\n  |  Hardware name: Qualcomm Technologies, Inc. SA8775P Ride (DT)\n  |  Call trace:\n  |   dump_backtrace+0x94/0x114\n  |   show_stack+0x18/0x24\n  |   dump_stack_lvl+0x48/0x60\n  |   print_report+0xf4/0x5b0\n  |   kasan_report+0xa4/0xec\n  |   __asan_report_load1_noabort+0x20/0x2c\n  |   strncmp+0xe4/0xec\n  |   scmi_bus_notifier+0x5c/0x54c\n  |   notifier_call_chain+0xb4/0x31c\n  |   blocking_notifier_call_chain+0x68/0x9c\n  |   bus_notify+0x54/0x78\n  |   device_del+0x1bc/0x840\n  |   device_unregister+0x20/0xb4\n  |   __scmi_device_destroy+0xac/0x280\n  |   scmi_device_destroy+0x94/0xd0\n  |   scmi_chan_setup+0x524/0x750\n  |   scmi_probe+0x7fc/0x1508\n  |   platform_probe+0xc4/0x19c\n  |   really_probe+0x32c/0x99c\n  |   __driver_probe_device+0x15c/0x3c4\n  |   driver_probe_device+0x5c/0x170\n  |   __driver_attach+0x1c8/0x440\n  |   bus_for_each_dev+0xf4/0x178\n  |   driver_attach+0x3c/0x58\n  |   bus_add_driver+0x234/0x4d4\n  |   driver_register+0xf4/0x3c0\n  |   __platform_driver_register+0x60/0x88\n  |   scmi_driver_init+0xb0/0x104\n  |   do_one_initcall+0xb4/0x664\n  |   kernel_init_freeable+0x3c8/0x894\n  |   kernel_init+0x24/0x1e8\n  |   ret_from_fork+0x10/0x20\n  |\n  |  Allocated by task 1:\n  |   kasan_save_stack+0x2c/0x54\n  |   kasan_set_track+0x2c/0x40\n  |   kasan_save_alloc_info+0x24/0x34\n  |   __kasan_kmalloc+0xa0/0xb8\n  |   __kmalloc_node_track_caller+0x6c/0x104\n  |   kstrdup+0x48/0x84\n  |   kstrdup_const+0x34/0x40\n  |   __scmi_device_create.part.0+0x8c/0x408\n  |   scmi_device_create+0x104/0x370\n  |   scmi_chan_setup+0x2a0/0x750\n  |   scmi_probe+0x7fc/0x1508\n  |   platform_probe+0xc4/0x19c\n  |   really_probe+0x32c/0x99c\n  |   __driver_probe_device+0x15c/0x3c4\n  |   driver_probe_device+0x5c/0x170\n  |   __driver_attach+0x1c8/0x440\n  |   bus_for_each_dev+0xf4/0x178\n  |   driver_attach+0x3c/0x58\n  |   bus_add_driver+0x234/0x4d4\n  |   driver_register+0xf4/0x3c0\n  |   __platform_driver_register+0x60/0x88\n  |   scmi_driver_init+0xb0/0x104\n  |   do_one_initcall+0xb4/0x664\n  |   kernel_init_freeable+0x3c8/0x894\n  |   kernel_init+0x24/0x1e8\n  |   ret_from_fork+0x10/0x20\n  |\n  |  Freed by task 1:\n  |   kasan_save_stack+0x2c/0x54\n  |   kasan_set_track+0x2c/0x40\n  |   kasan_save_free_info+0x38/0x5c\n  |   __kasan_slab_free+0xe8/0x164\n  |   __kmem_cache_free+0x11c/0x230\n  |   kfree+0x70/0x130\n  |   kfree_const+0x20/0x40\n  |   __scmi_device_destroy+0x70/0x280\n  |   scmi_device_destroy+0x94/0xd0\n  |   scmi_chan_setup+0x524/0x750\n  |   scmi_probe+0x7fc/0x1508\n  |   platform_probe+0xc4/0x19c\n  |   really_probe+0x32c/0x99c\n  |   __driver_probe_device+0x15c/0x3c4\n  |   driver_probe_device+0x5c/0x170\n  |   __driver_attach+0x1c8/0x440\n  |   bus_for_each_dev+0xf4/0x178\n  |   driver_attach+0x3c/0x58\n  |   bus_add_driver+0x234/0x4d4\n  |   driver_register+0xf4/0x3c0\n  |   __platform_driver_register+0x60/0x88\n  |   scmi_driver_init+0xb0/0x104\n  |   do_one_initcall+0xb4/0x664\n  |   kernel_init_freeable+0x3c8/0x894\n  |   kernel_init+0x24/0x1e8\n  |   ret_from_fork+0x10/0x20\n\n## Affected\n\n- `Linux >= ee7a9c9f67c59008b330deff2762bd8cf1407eec < c3c49feed980279e8342b934bf2c7f25df1b0bc1`\n- `Linux >= ee7a9c9f67c59008b330deff2762bd8cf1407eec < 15b17bbcea07d49c43d21aa700485cbd9f9d00d8`\n- `Linux >= ee7a9c9f67c59008b330deff2762bd8cf1407eec < 1e1f523b185a8ccdcba625b31ff0312d052900e2`\n- `Linux >= ee7a9c9f67c59008b330deff2762bd8cf1407eec < 295416091e44806760ccf753aeafdafc0ae268f3`\n- `Linux 5.6`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}