{"id":"CVE-2024-38555","summary":"net/mlx5: Discard command completions in internal error","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Discard command completions in internal error\n\nFix use after free when FW completion arrives while device is in\ninternal error state. Avoid calling completion handler in this case,\nsince the device will flush the command interface and trigger all\ncompletions manually.\n\nKernel log:\n------------[ cut here ]------------\nrefcount_t: underflow; use-after-free.\n...\nRIP: 0010:refcount_warn_saturate+0xd8/0xe0\n...\nCall Trace:\n\u003cIRQ\u003e\n? __warn+0x79/0x120\n? refcount_warn_saturate+0xd8/0xe0\n? report_bug+0x17c/0x190\n? handle_bug+0x3c/0x60\n? exc_invalid_op+0x14/0x70\n? asm_exc_invalid_op+0x16/0x20\n? refcount_warn_saturate+0xd8/0xe0\ncmd_ent_put+0x13b/0x160 [mlx5_core]\nmlx5_cmd_comp_handler+0x5f9/0x670 [mlx5_core]\ncmd_comp_notifier+0x1f/0x30 [mlx5_core]\nnotifier_call_chain+0x35/0xb0\natomic_notifier_call_chain+0x16/0x20\nmlx5_eq_async_int+0xf6/0x290 [mlx5_core]\nnotifier_call_chain+0x35/0xb0\natomic_notifier_call_chain+0x16/0x20\nirq_int_handler+0x19/0x30 [mlx5_core]\n__handle_irq_event_percpu+0x4b/0x160\nhandle_irq_event+0x2e/0x80\nhandle_edge_irq+0x98/0x230\n__common_interrupt+0x3b/0xa0\ncommon_interrupt+0x7b/0xa0\n\u003c/IRQ\u003e\n\u003cTASK\u003e\nasm_common_interrupt+0x22/0x40","modified":"2026-05-18T05:57:51.664691661Z","published":"2024-06-19T13:35:26.059Z","related":["SUSE-SU-2024:2372-1","SUSE-SU-2024:2394-1","SUSE-SU-2024:2571-1","SUSE-SU-2024:2894-1","SUSE-SU-2024:2896-1","SUSE-SU-2024:2902-1","SUSE-SU-2024:2929-1","SUSE-SU-2024:2939-1","SUSE-SU-2024:2947-1","SUSE-SU-2024:2973-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/38xxx/CVE-2024-38555.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1337ec94bc5a9eed250e33f5f5c89a28a6bfabdb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1d5dce5e92a70274de67a59e1e674c3267f94cd7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3cb92b0ad73d3f1734e812054e698d655e9581b0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7ac4c69c34240c6de820492c0a28a0bd1494265a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bf8aaf0ae01c27ae3c06aa8610caf91e50393396"},{"type":"WEB","url":"https://git.kernel.org/stable/c/db9b31aa9bc56ff0d15b78f7e827d61c4a096e40"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f6fbb8535e990f844371086ab2c1221f71f993d3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/38xxx/CVE-2024-38555.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-38555"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"27c79b3a9212cf4ba634c157e07d29548181a208"},{"fixed":"f6fbb8535e990f844371086ab2c1221f71f993d3"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"51d138c2610a236c1ed0059d034ee4c74f452b86"},{"fixed":"3cb92b0ad73d3f1734e812054e698d655e9581b0"},{"fixed":"bf8aaf0ae01c27ae3c06aa8610caf91e50393396"},{"fixed":"1337ec94bc5a9eed250e33f5f5c89a28a6bfabdb"},{"fixed":"1d5dce5e92a70274de67a59e1e674c3267f94cd7"},{"fixed":"7ac4c69c34240c6de820492c0a28a0bd1494265a"},{"fixed":"db9b31aa9bc56ff0d15b78f7e827d61c4a096e40"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"2e5d24b3bf091802c5456dc8f8f6a6be4493c8ca"}]}],"versions":["v5.10.218","v5.10.217","v5.10.216","v5.10.215","v5.10.214","v5.10.213","v5.10.212","v5.10.211","v5.10.210","v5.10.209","v5.10.208","v5.10.207","v5.10.206","v5.10.205","v5.10.204","v5.10.203","v5.10.202","v5.10.201","v5.10.200","v5.10.199","v5.10.198","v5.10.197","v5.10.196","v5.10.195","v5.10.194","v5.10.193","v5.10.192","v5.10.191","v5.10.190","v5.10.189","v5.10.188","v5.10.187","v5.10.186","v5.10.185","v5.10.184","v5.10.183","v5.10.182","v5.10.181","v5.10.180","v5.10.179","v5.10.178","v5.10.177","v5.10.176","v5.10.175","v5.10.174","v5.10.173","v5.10.172","v5.10.171","v5.10.170","v5.10.169","v5.10.168","v5.10.167","v5.10.166","v5.10.165","v5.10.164","v5.10.163","v5.10.162","v5.10.161","v5.10.160","v5.10.159","v5.10.158","v5.10.157","v5.10.156","v5.10.155","v5.10.154","v5.10.153","v5.10.152","v5.10.151","v5.10.150","v5.10.149","v5.10.148","v5.10.147","v5.10.146","v5.10.145","v5.10.144","v5.10.143","v5.10.142","v5.10.141","v5.10.140","v5.10.139","v5.10.138","v5.10.137","v5.10.136","v5.10.135","v5.10.134","v5.10.133","v5.10.132","v5.10.131","v5.10.130","v5.10.129","v5.10.128","v5.10.127","v5.10.126","v5.10.125","v5.10.124","v5.10.123","v5.10.122","v5.10.121","v5.10.120","v5.10.119","v5.10.118","v5.10.117","v5.10.116","v5.10.115","v5.10.114","v5.10.113","v5.10.112","v5.10.111","v5.10.110","v5.10.109","v5.10.108","v5.10.107","v5.10.106","v5.10.105","v5.10.104","v5.10.103","v5.10.102","v5.10.101","v5.10.100","v5.10.99","v5.10.98","v5.10.97","v5.10.96","v5.10.95","v5.10.94","v5.10.93","v5.10.92","v5.10.91","v5.10.90","v5.10.89","v5.10.88","v5.10.87","v5.10.86","v5.10.85","v5.10.84","v5.10.83","v5.10.82","v5.10.81","v5.10.80","v5.10.79","v5.10.78","v5.10.77","v5.10.76","v5.10.75","v5.10.74","v5.10.73","v5.10.72","v5.10.71","v5.10.70","v5.10.69","v5.10.68","v5.10.67","v5.10.66","v5.10.65","v5.10.64","v5.10.63","v5.10.62","v5.10.61","v5.10.60","v5.10.59","v5.10.58","v5.10.57","v5.10.56","v5.10.55","v5.10.54","v5.10.53","v5.10.52","v5.10.51","v5.10.50","v5.10.49","v5.10.48","v5.10.47","v5.10.46","v5.10.45","v5.10.44","v5.10.43","v5.10.42","v5.10.41","v5.10.40","v5.10.39","v5.10.38","v5.10.37","v5.10.36","v5.10.35","v5.10.34","v5.10.33","v5.10.32","v5.10.31","v5.10.30","v5.10.29","v5.10.28","v5.10.27","v5.10.26","v5.10.25","v5.10.24","v5.10.23","v5.10.22","v5.10.21","v5.10.20","v5.10","v5.11","v5.11.2","v5.11.1","v5.11-rc3","v5.11-rc7","v5.11-rc6",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