{"cve":"CVE-2024-53227","nvd":{"published":"2024-12-27T14:15:30.937","modified":"2026-06-17T08:08:38.740","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: bfa: Fix use-after-free in bfad_im_module_exit()\n\nBUG: KASAN: slab-use-after-free in __lock_acquire+0x2aca/0x3a20\nRead of size 8 at addr ffff8881082d80c8 by task modprobe/25303\n\nCall Trace:\n <TASK>\n dump_stack_lvl+0x95/0xe0\n print_report+0xcb/0x620\n kasan_report+0xbd/0xf0\n __lock_acquire+0x2aca/0x3a20\n lock_acquire+0x19b/0x520\n _raw_spin_lock+0x2b/0x40\n attribute_container_unregister+0x30/0x160\n fc_release_transport+0x19/0x90 [scsi_transport_fc]\n bfad_im_module_exit+0x23/0x60 [bfa]\n bfad_init+0xdb/0xff0 [bfa]\n do_one_initcall+0xdc/0x550\n do_init_module+0x22d/0x6b0\n load_module+0x4e96/0x5ff0\n init_module_from_file+0xcd/0x130\n idempotent_init_module+0x330/0x620\n __x64_sys_finit_module+0xb3/0x110\n do_syscall_64+0xc1/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n </TASK>\n\nAllocated by task 25303:\n kasan_save_stack+0x24/0x50\n kasan_save_track+0x14/0x30\n __kasan_kmalloc+0x7f/0x90\n fc_attach_transport+0x4f/0x4740 [scsi_transport_fc]\n bfad_im_module_init+0x17/0x80 [bfa]\n bfad_init+0x23/0xff0 [bfa]\n do_one_initcall+0xdc/0x550\n do_init_module+0x22d/0x6b0\n load_module+0x4e96/0x5ff0\n init_module_from_file+0xcd/0x130\n idempotent_init_module+0x330/0x620\n __x64_sys_finit_module+0xb3/0x110\n do_syscall_64+0xc1/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nFreed by task 25303:\n kasan_save_stack+0x24/0x50\n kasan_save_track+0x14/0x30\n kasan_save_free_info+0x3b/0x60\n __kasan_slab_free+0x38/0x50\n kfree+0x212/0x480\n bfad_im_module_init+0x7e/0x80 [bfa]\n bfad_init+0x23/0xff0 [bfa]\n do_one_initcall+0xdc/0x550\n do_init_module+0x22d/0x6b0\n load_module+0x4e96/0x5ff0\n init_module_from_file+0xcd/0x130\n idempotent_init_module+0x330/0x620\n __x64_sys_finit_module+0xb3/0x110\n do_syscall_64+0xc1/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nAbove issue happens as follows:\n\nbfad_init\n  error = bfad_im_module_init()\n    fc_release_transport(bfad_im_scsi_transport_template);\n  if (error)\n    goto ext;\n\next:\n  bfad_im_module_exit();\n    fc_release_transport(bfad_im_scsi_transport_template);\n    --> Trigger double release\n\nDon't call bfad_im_module_exit() if bfad_im_module_init() failed.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/0ceac8012d3ddea3317f0d82934293d05feb8af1","https://git.kernel.org/stable/c/178b8f38932d635e90f5f0e9af1986c6f4a89271","https://git.kernel.org/stable/c/1ffdde30a90bf8efe8f270407f486706962b3292","https://git.kernel.org/stable/c/3932c753f805a02e9364a4c58b590f21901f8490","https://git.kernel.org/stable/c/8f5a97443b547b4c83f876f1d6a11df0f1fd4efb"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:57:56.913276502+00:00"},"epss":{"cve":"CVE-2024-53227","score":0.00265,"percentile":0.18491,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}