{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2022-48658",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-02-25T13:44:28.317Z",
        "datePublished": "2024-04-28T13:01:12.987Z",
        "dateUpdated": "2024-09-11T17:33:55.526Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:11:00.649Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: slub: fix flush_cpu_slab()/__free_slab() invocations in task context.\n\nCommit 5a836bf6b09f (\"mm: slub: move flush_cpu_slab() invocations\n__free_slab() invocations out of IRQ context\") moved all flush_cpu_slab()\ninvocations to the global workqueue to avoid a problem related\nwith deactivate_slab()/__free_slab() being called from an IRQ context\non PREEMPT_RT kernels.\n\nWhen the flush_all_cpu_locked() function is called from a task context\nit may happen that a workqueue with WQ_MEM_RECLAIM bit set ends up\nflushing the global workqueue, this will cause a dependency issue.\n\n workqueue: WQ_MEM_RECLAIM nvme-delete-wq:nvme_delete_ctrl_work [nvme_core]\n   is flushing !WQ_MEM_RECLAIM events:flush_cpu_slab\n WARNING: CPU: 37 PID: 410 at kernel/workqueue.c:2637\n   check_flush_dependency+0x10a/0x120\n Workqueue: nvme-delete-wq nvme_delete_ctrl_work [nvme_core]\n RIP: 0010:check_flush_dependency+0x10a/0x120[  453.262125] Call Trace:\n __flush_work.isra.0+0xbf/0x220\n ? __queue_work+0x1dc/0x420\n flush_all_cpus_locked+0xfb/0x120\n __kmem_cache_shutdown+0x2b/0x320\n kmem_cache_destroy+0x49/0x100\n bioset_exit+0x143/0x190\n blk_release_queue+0xb9/0x100\n kobject_cleanup+0x37/0x130\n nvme_fc_ctrl_free+0xc6/0x150 [nvme_fc]\n nvme_free_ctrl+0x1ac/0x2b0 [nvme_core]\n\nFix this bug by creating a workqueue for the flush operation with\nthe WQ_MEM_RECLAIM bit set."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/slub.c"
                    ],
                    "versions": [
                        {
                            "version": "5a836bf6b09f",
                            "lessThan": "61703b248be9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5a836bf6b09f",
                            "lessThan": "df6cb39335cf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5a836bf6b09f",
                            "lessThan": "e45cc288724f",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/slub.c"
                    ],
                    "versions": [
                        {
                            "version": "5.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.15",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.71",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.19.12",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/61703b248be993eb4997b00ae5d3318e6d8f3c5b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/df6cb39335cf5a1b918e8dbd8ba7cd9f1d00e45a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e45cc288724f0cfd497bb5920bcfa60caa335729"
                }
            ],
            "title": "mm: slub: fix flush_cpu_slab()/__free_slab() invocations in task context.",
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                "engine": "bippy-a5840b7849dd"
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        },
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                        "url": "https://git.kernel.org/stable/c/61703b248be993eb4997b00ae5d3318e6d8f3c5b",
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                "metrics": [
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                                        "Exploitation": "none"
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