{"cve":"CVE-2023-54302","nvd":{"published":"2025-12-30T13:16:19.330","modified":"2026-06-17T06:47:11.273","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Fix data race on CQP completion stats\n\nCQP completion statistics is read lockesly in irdma_wait_event and\nirdma_check_cqp_progress while it can be updated in the completion\nthread irdma_sc_ccq_get_cqe_info on another CPU as KCSAN reports.\n\nMake completion statistics an atomic variable to reflect coherent updates\nto it. This will also avoid load/store tearing logic bug potentially\npossible by compiler optimizations.\n\n[77346.170861] BUG: KCSAN: data-race in irdma_handle_cqp_op [irdma] / irdma_sc_ccq_get_cqe_info [irdma]\n\n[77346.171383] write to 0xffff8a3250b108e0 of 8 bytes by task 9544 on cpu 4:\n[77346.171483]  irdma_sc_ccq_get_cqe_info+0x27a/0x370 [irdma]\n[77346.171658]  irdma_cqp_ce_handler+0x164/0x270 [irdma]\n[77346.171835]  cqp_compl_worker+0x1b/0x20 [irdma]\n[77346.172009]  process_one_work+0x4d1/0xa40\n[77346.172024]  worker_thread+0x319/0x700\n[77346.172037]  kthread+0x180/0x1b0\n[77346.172054]  ret_from_fork+0x22/0x30\n\n[77346.172136] read to 0xffff8a3250b108e0 of 8 bytes by task 9838 on cpu 2:\n[77346.172234]  irdma_handle_cqp_op+0xf4/0x4b0 [irdma]\n[77346.172413]  irdma_cqp_aeq_cmd+0x75/0xa0 [irdma]\n[77346.172592]  irdma_create_aeq+0x390/0x45a [irdma]\n[77346.172769]  irdma_rt_init_hw.cold+0x212/0x85d [irdma]\n[77346.172944]  irdma_probe+0x54f/0x620 [irdma]\n[77346.173122]  auxiliary_bus_probe+0x66/0xa0\n[77346.173137]  really_probe+0x140/0x540\n[77346.173154]  __driver_probe_device+0xc7/0x220\n[77346.173173]  driver_probe_device+0x5f/0x140\n[77346.173190]  __driver_attach+0xf0/0x2c0\n[77346.173208]  bus_for_each_dev+0xa8/0xf0\n[77346.173225]  driver_attach+0x29/0x30\n[77346.173240]  bus_add_driver+0x29c/0x2f0\n[77346.173255]  driver_register+0x10f/0x1a0\n[77346.173272]  __auxiliary_driver_register+0xbc/0x140\n[77346.173287]  irdma_init_module+0x55/0x1000 [irdma]\n[77346.173460]  do_one_initcall+0x7d/0x410\n[77346.173475]  do_init_module+0x81/0x2c0\n[77346.173491]  load_module+0x1232/0x12c0\n[77346.173506]  __do_sys_finit_module+0x101/0x180\n[77346.173522]  __x64_sys_finit_module+0x3c/0x50\n[77346.173538]  do_syscall_64+0x39/0x90\n[77346.173553]  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\n[77346.173634] value changed: 0x0000000000000094 -> 0x0000000000000095","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/2623ca92cd8f9668edabe9e4f4a3cf77fd7115f2","https://git.kernel.org/stable/c/4e1a5842a359ee18d5a9e75097d7cf4d93e233bb","https://git.kernel.org/stable/c/bf0f9f65b7fe36ea9d2e23263dcefc90255d7b1f","https://git.kernel.org/stable/c/f2c3037811381f9149243828c7eb9a1631df9f9c"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2023-54302","score":0.00199,"percentile":0.098,"date":"2026-11-01"},"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."]}