{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-48800",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-07-16T11:38:08.895Z",
        "datePublished": "2024-07-16T11:43:53.577Z",
        "dateUpdated": "2026-05-11T18:47:22.938Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T18:47:22.938Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: vmscan: remove deadlock due to throttling failing to make progress\n\nA soft lockup bug in kcompactd was reported in a private bugzilla with\nthe following visible in dmesg;\n\n  watchdog: BUG: soft lockup - CPU#33 stuck for 26s! [kcompactd0:479]\n  watchdog: BUG: soft lockup - CPU#33 stuck for 52s! [kcompactd0:479]\n  watchdog: BUG: soft lockup - CPU#33 stuck for 78s! [kcompactd0:479]\n  watchdog: BUG: soft lockup - CPU#33 stuck for 104s! [kcompactd0:479]\n\nThe machine had 256G of RAM with no swap and an earlier failed\nallocation indicated that node 0 where kcompactd was run was potentially\nunreclaimable;\n\n  Node 0 active_anon:29355112kB inactive_anon:2913528kB active_file:0kB\n    inactive_file:0kB unevictable:64kB isolated(anon):0kB isolated(file):0kB\n    mapped:8kB dirty:0kB writeback:0kB shmem:26780kB shmem_thp:\n    0kB shmem_pmdmapped: 0kB anon_thp: 23480320kB writeback_tmp:0kB\n    kernel_stack:2272kB pagetables:24500kB all_unreclaimable? yes\n\nVlastimil Babka investigated a crash dump and found that a task\nmigrating pages was trying to drain PCP lists;\n\n  PID: 52922  TASK: ffff969f820e5000  CPU: 19  COMMAND: \"kworker/u128:3\"\n  Call Trace:\n     __schedule\n     schedule\n     schedule_timeout\n     wait_for_completion\n     __flush_work\n     __drain_all_pages\n     __alloc_pages_slowpath.constprop.114\n     __alloc_pages\n     alloc_migration_target\n     migrate_pages\n     migrate_to_node\n     do_migrate_pages\n     cpuset_migrate_mm_workfn\n     process_one_work\n     worker_thread\n     kthread\n     ret_from_fork\n\nThis failure is specific to CONFIG_PREEMPT=n builds.  The root of the\nproblem is that kcompact0 is not rescheduling on a CPU while a task that\nhas isolated a large number of the pages from the LRU is waiting on\nkcompact0 to reschedule so the pages can be released.  While\nshrink_inactive_list() only loops once around too_many_isolated, reclaim\ncan continue without rescheduling if sc->skipped_deactivate == 1 which\ncould happen if there was no file LRU and the inactive anon list was not\nlow."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/vmscan.c"
                    ],
                    "versions": [
                        {
                            "version": "d818fca1cac31b1fc9301bda83e195a46fb4ebaa",
                            "lessThan": "3980cff6349687f73d5109f156f23cb261c24164",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d818fca1cac31b1fc9301bda83e195a46fb4ebaa",
                            "lessThan": "b485c6f1f9f54b81443efda5f3d8a5036ba2cd91",
                            "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/vmscan.c"
                    ],
                    "versions": [
                        {
                            "version": "5.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.16.10",
                            "lessThanOrEqual": "5.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17",
                            "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": "5.16",
                                    "versionEndExcluding": "5.16.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "5.17"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3980cff6349687f73d5109f156f23cb261c24164"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b485c6f1f9f54b81443efda5f3d8a5036ba2cd91"
                }
            ],
            "title": "mm: vmscan: remove deadlock due to throttling failing to make progress",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T15:25:01.613Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/3980cff6349687f73d5109f156f23cb261c24164",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/b485c6f1f9f54b81443efda5f3d8a5036ba2cd91",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            },
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2022-48800",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T16:59:06.751767Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-11T17:34:14.490Z"
                }
            }
        ]
    }
}