{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-54302",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:44.529Z",
        "datePublished": "2025-12-30T12:23:37.165Z",
        "dateUpdated": "2026-05-11T19:59:20.335Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:59:20.335Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/hw/irdma/ctrl.c",
                        "drivers/infiniband/hw/irdma/defs.h",
                        "drivers/infiniband/hw/irdma/type.h",
                        "drivers/infiniband/hw/irdma/utils.c"
                    ],
                    "versions": [
                        {
                            "version": "915cc7ac0f8e2a23675ee896e87f17c7d3c47089",
                            "lessThan": "bf0f9f65b7fe36ea9d2e23263dcefc90255d7b1f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "915cc7ac0f8e2a23675ee896e87f17c7d3c47089",
                            "lessThan": "4e1a5842a359ee18d5a9e75097d7cf4d93e233bb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "915cc7ac0f8e2a23675ee896e87f17c7d3c47089",
                            "lessThan": "2623ca92cd8f9668edabe9e4f4a3cf77fd7115f2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "915cc7ac0f8e2a23675ee896e87f17c7d3c47089",
                            "lessThan": "f2c3037811381f9149243828c7eb9a1631df9f9c",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/hw/irdma/ctrl.c",
                        "drivers/infiniband/hw/irdma/defs.h",
                        "drivers/infiniband/hw/irdma/type.h",
                        "drivers/infiniband/hw/irdma/utils.c"
                    ],
                    "versions": [
                        {
                            "version": "5.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.124",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.43",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.8",
                            "lessThanOrEqual": "6.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "5.15.124"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.1.43"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.4.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.5"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/bf0f9f65b7fe36ea9d2e23263dcefc90255d7b1f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4e1a5842a359ee18d5a9e75097d7cf4d93e233bb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2623ca92cd8f9668edabe9e4f4a3cf77fd7115f2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f2c3037811381f9149243828c7eb9a1631df9f9c"
                }
            ],
            "title": "RDMA/irdma: Fix data race on CQP completion stats",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}