{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2022-48675",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-02-25T13:44:28.322Z",
        "datePublished": "2024-05-03T14:52:06.518Z",
        "dateUpdated": "2024-08-03T15:17:55.742Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:11:19.568Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nIB/core: Fix a nested dead lock as part of ODP flow\n\nFix a nested dead lock as part of ODP flow by using mmput_async().\n\nFrom the below call trace [1] can see that calling mmput() once we have\nthe umem_odp->umem_mutex locked as required by\nib_umem_odp_map_dma_and_lock() might trigger in the same task the\nexit_mmap()->__mmu_notifier_release()->mlx5_ib_invalidate_range() which\nmay dead lock when trying to lock the same mutex.\n\nMoving to use mmput_async() will solve the problem as the above\nexit_mmap() flow will be called in other task and will be executed once\nthe lock will be available.\n\n[1]\n[64843.077665] task:kworker/u133:2  state:D stack:    0 pid:80906 ppid:\n2 flags:0x00004000\n[64843.077672] Workqueue: mlx5_ib_page_fault mlx5_ib_eqe_pf_action [mlx5_ib]\n[64843.077719] Call Trace:\n[64843.077722]  <TASK>\n[64843.077724]  __schedule+0x23d/0x590\n[64843.077729]  schedule+0x4e/0xb0\n[64843.077735]  schedule_preempt_disabled+0xe/0x10\n[64843.077740]  __mutex_lock.constprop.0+0x263/0x490\n[64843.077747]  __mutex_lock_slowpath+0x13/0x20\n[64843.077752]  mutex_lock+0x34/0x40\n[64843.077758]  mlx5_ib_invalidate_range+0x48/0x270 [mlx5_ib]\n[64843.077808]  __mmu_notifier_release+0x1a4/0x200\n[64843.077816]  exit_mmap+0x1bc/0x200\n[64843.077822]  ? walk_page_range+0x9c/0x120\n[64843.077828]  ? __cond_resched+0x1a/0x50\n[64843.077833]  ? mutex_lock+0x13/0x40\n[64843.077839]  ? uprobe_clear_state+0xac/0x120\n[64843.077860]  mmput+0x5f/0x140\n[64843.077867]  ib_umem_odp_map_dma_and_lock+0x21b/0x580 [ib_core]\n[64843.077931]  pagefault_real_mr+0x9a/0x140 [mlx5_ib]\n[64843.077962]  pagefault_mr+0xb4/0x550 [mlx5_ib]\n[64843.077992]  pagefault_single_data_segment.constprop.0+0x2ac/0x560\n[mlx5_ib]\n[64843.078022]  mlx5_ib_eqe_pf_action+0x528/0x780 [mlx5_ib]\n[64843.078051]  process_one_work+0x22b/0x3d0\n[64843.078059]  worker_thread+0x53/0x410\n[64843.078065]  ? process_one_work+0x3d0/0x3d0\n[64843.078073]  kthread+0x12a/0x150\n[64843.078079]  ? set_kthread_struct+0x50/0x50\n[64843.078085]  ret_from_fork+0x22/0x30\n[64843.078093]  </TASK>"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/core/umem_odp.c",
                        "kernel/fork.c"
                    ],
                    "versions": [
                        {
                            "version": "36f30e486dce",
                            "lessThan": "e8de6cb5755e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36f30e486dce",
                            "lessThan": "819110054b14",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36f30e486dce",
                            "lessThan": "83c43fd872e3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36f30e486dce",
                            "lessThan": "85eaeb5058f0",
                            "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/core/umem_odp.c",
                        "kernel/fork.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.10",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.143",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
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                        {
                            "version": "5.15.68",
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                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.19.9",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
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                }
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e8de6cb5755eae7b793d8c00c8696c8667d44a7f"
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                },
                {
                    "url": "https://git.kernel.org/stable/c/85eaeb5058f0f04dffb124c97c86b4f18db0b833"
                }
            ],
            "title": "IB/core: Fix a nested dead lock as part of ODP flow",
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                "engine": "bippy-a5840b7849dd"
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                            "content": {
                                "id": "CVE-2022-48675",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                "version": "2.0.3",
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T15:17:55.742Z"
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                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/e8de6cb5755eae7b793d8c00c8696c8667d44a7f",
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