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CVE-2023-54302 (GCVE-0-2023-54302)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:23 – Updated: 2026-05-11 19:59
VLAI
Title
RDMA/irdma: Fix data race on CQP completion stats
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix data race on CQP completion stats CQP completion statistics is read lockesly in irdma_wait_event and irdma_check_cqp_progress while it can be updated in the completion thread irdma_sc_ccq_get_cqe_info on another CPU as KCSAN reports. Make completion statistics an atomic variable to reflect coherent updates to it. This will also avoid load/store tearing logic bug potentially possible by compiler optimizations. [77346.170861] BUG: KCSAN: data-race in irdma_handle_cqp_op [irdma] / irdma_sc_ccq_get_cqe_info [irdma] [77346.171383] write to 0xffff8a3250b108e0 of 8 bytes by task 9544 on cpu 4: [77346.171483] irdma_sc_ccq_get_cqe_info+0x27a/0x370 [irdma] [77346.171658] irdma_cqp_ce_handler+0x164/0x270 [irdma] [77346.171835] cqp_compl_worker+0x1b/0x20 [irdma] [77346.172009] process_one_work+0x4d1/0xa40 [77346.172024] worker_thread+0x319/0x700 [77346.172037] kthread+0x180/0x1b0 [77346.172054] ret_from_fork+0x22/0x30 [77346.172136] read to 0xffff8a3250b108e0 of 8 bytes by task 9838 on cpu 2: [77346.172234] irdma_handle_cqp_op+0xf4/0x4b0 [irdma] [77346.172413] irdma_cqp_aeq_cmd+0x75/0xa0 [irdma] [77346.172592] irdma_create_aeq+0x390/0x45a [irdma] [77346.172769] irdma_rt_init_hw.cold+0x212/0x85d [irdma] [77346.172944] irdma_probe+0x54f/0x620 [irdma] [77346.173122] auxiliary_bus_probe+0x66/0xa0 [77346.173137] really_probe+0x140/0x540 [77346.173154] __driver_probe_device+0xc7/0x220 [77346.173173] driver_probe_device+0x5f/0x140 [77346.173190] __driver_attach+0xf0/0x2c0 [77346.173208] bus_for_each_dev+0xa8/0xf0 [77346.173225] driver_attach+0x29/0x30 [77346.173240] bus_add_driver+0x29c/0x2f0 [77346.173255] driver_register+0x10f/0x1a0 [77346.173272] __auxiliary_driver_register+0xbc/0x140 [77346.173287] irdma_init_module+0x55/0x1000 [irdma] [77346.173460] do_one_initcall+0x7d/0x410 [77346.173475] do_init_module+0x81/0x2c0 [77346.173491] load_module+0x1232/0x12c0 [77346.173506] __do_sys_finit_module+0x101/0x180 [77346.173522] __x64_sys_finit_module+0x3c/0x50 [77346.173538] do_syscall_64+0x39/0x90 [77346.173553] entry_SYSCALL_64_after_hwframe+0x63/0xcd [77346.173634] value changed: 0x0000000000000094 -> 0x0000000000000095
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 , < bf0f9f65b7fe36ea9d2e23263dcefc90255d7b1f (git)
Affected: 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 , < 4e1a5842a359ee18d5a9e75097d7cf4d93e233bb (git)
Affected: 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 , < 2623ca92cd8f9668edabe9e4f4a3cf77fd7115f2 (git)
Affected: 915cc7ac0f8e2a23675ee896e87f17c7d3c47089 , < f2c3037811381f9149243828c7eb9a1631df9f9c (git)
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Linux Linux Affected: 5.14
Unaffected: 0 , < 5.14 (semver)
Unaffected: 5.15.124 , ≤ 5.15.* (semver)
Unaffected: 6.1.43 , ≤ 6.1.* (semver)
Unaffected: 6.4.8 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "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"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "lessThan": "bf0f9f65b7fe36ea9d2e23263dcefc90255d7b1f",
              "status": "affected",
              "version": "915cc7ac0f8e2a23675ee896e87f17c7d3c47089",
              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
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            {
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              "versionType": "git"
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            {
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              "status": "affected",
              "version": "915cc7ac0f8e2a23675ee896e87f17c7d3c47089",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "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"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.14"
            },
            {
              "lessThan": "5.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.124",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.43",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.124",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.43",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4.8",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.5",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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 -\u003e 0x0000000000000095"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:59:20.335Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "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"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54302",
    "datePublished": "2025-12-30T12:23:37.165Z",
    "dateReserved": "2025-12-30T12:06:44.529Z",
    "dateUpdated": "2026-05-11T19:59:20.335Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-54302",
      "date": "2026-09-14",
      "epss": "0.00195",
      "percentile": "0.09346"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-54302\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-30T13:16:19.330\",\"lastModified\":\"2026-06-17T06:47:11.273\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"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 -\u003e 0x0000000000000095\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\\n\\nRDMA/irdma: Correcci\u00f3n de condici\u00f3n de carrera de datos en las estad\u00edsticas de finalizaci\u00f3n de CQP\\n\\nLas estad\u00edsticas de finalizaci\u00f3n de CQP se leen sin bloqueo en irdma_wait_event e irdma_check_cqp_progress mientras que pueden ser actualizadas en el hilo de finalizaci\u00f3n irdma_sc_ccq_get_cqe_info en otra CPU, seg\u00fan informa KCSAN.\\n\\nHacer que las estad\u00edsticas de finalizaci\u00f3n sean una variable at\u00f3mica para reflejar actualizaciones coherentes en ella. Esto tambi\u00e9n evitar\u00e1 un error l\u00f3gico de desgarro de carga/almacenamiento potencialmente posible por optimizaciones del compilador.\\n\\n[77346.170861] ERROR: KCSAN: condici\u00f3n de carrera de datos en irdma_handle_cqp_op [irdma] / irdma_sc_ccq_get_cqe_info [irdma]\\n\\n[77346.171383] escritura en 0xffff8a3250b108e0 de 8 bytes por tarea 9544 en 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] lectura en 0xffff8a3250b108e0 de 8 bytes por tarea 9838 en 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] valor cambiado: 0x0000000000000094 -\u0026gt; 0x0000000000000095\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"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\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"915cc7ac0f8e2a23675ee896e87f17c7d3c47089\",\"lessThan\":\"bf0f9f65b7fe36ea9d2e23263dcefc90255d7b1f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"915cc7ac0f8e2a23675ee896e87f17c7d3c47089\",\"lessThan\":\"4e1a5842a359ee18d5a9e75097d7cf4d93e233bb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"915cc7ac0f8e2a23675ee896e87f17c7d3c47089\",\"lessThan\":\"2623ca92cd8f9668edabe9e4f4a3cf77fd7115f2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"915cc7ac0f8e2a23675ee896e87f17c7d3c47089\",\"lessThan\":\"f2c3037811381f9149243828c7eb9a1631df9f9c\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"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\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.14\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.14\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.124\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.43\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.4.8\",\"lessThanOrEqual\":\"6.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.5\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2623ca92cd8f9668edabe9e4f4a3cf77fd7115f2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4e1a5842a359ee18d5a9e75097d7cf4d93e233bb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bf0f9f65b7fe36ea9d2e23263dcefc90255d7b1f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f2c3037811381f9149243828c7eb9a1631df9f9c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T23:42:51+00:00",
      "cve": "CVE-2023-54302",
      "id": "CVE-2023-54302",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "279",
      "product_status:known_affected": "70",
      "product_status:known_not_affected": "118",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: RDMA/irdma: Fix data race on CQP completion stats",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54302.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Detection rules are retrieved from Rulezet.