{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23211",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.986Z",
        "datePublished": "2026-02-18T14:16:27.015Z",
        "dateUpdated": "2026-05-11T22:02:28.280Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:02:28.280Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm, swap: restore swap_space attr aviod kernel panic\n\ncommit 8b47299a411a (\"mm, swap: mark swap address space ro and add context\ndebug check\") made the swap address space read-only.  It may lead to\nkernel panic if arch_prepare_to_swap returns a failure under heavy memory\npressure as follows,\n\nel1_abort+0x40/0x64\nel1h_64_sync_handler+0x48/0xcc\nel1h_64_sync+0x84/0x88\nerrseq_set+0x4c/0xb8 (P)\n__filemap_set_wb_err+0x20/0xd0\nshrink_folio_list+0xc20/0x11cc\nevict_folios+0x1520/0x1be4\ntry_to_shrink_lruvec+0x27c/0x3dc\nshrink_one+0x9c/0x228\nshrink_node+0xb3c/0xeac\ndo_try_to_free_pages+0x170/0x4f0\ntry_to_free_pages+0x334/0x534\n__alloc_pages_direct_reclaim+0x90/0x158\n__alloc_pages_slowpath+0x334/0x588\n__alloc_frozen_pages_noprof+0x224/0x2fc\n__folio_alloc_noprof+0x14/0x64\nvma_alloc_zeroed_movable_folio+0x34/0x44\ndo_pte_missing+0xad4/0x1040\nhandle_mm_fault+0x4a4/0x790\ndo_page_fault+0x288/0x5f8\ndo_translation_fault+0x38/0x54\ndo_mem_abort+0x54/0xa8\n\nRestore swap address space as not ro to avoid the panic."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/swap.h",
                        "mm/swap_state.c"
                    ],
                    "versions": [
                        {
                            "version": "8b47299a411a178d572aaac31ff7ab33a8bd27e2",
                            "lessThan": "b0020cbd26380177b9fb8b7e75a8f7bdba79db20",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8b47299a411a178d572aaac31ff7ab33a8bd27e2",
                            "lessThan": "a0f3c0845a4ff68d403c568266d17e9cc553e561",
                            "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/swap.h",
                        "mm/swap_state.c"
                    ],
                    "versions": [
                        {
                            "version": "6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.9",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "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": "6.18",
                                    "versionEndExcluding": "6.18.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "6.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b0020cbd26380177b9fb8b7e75a8f7bdba79db20"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a0f3c0845a4ff68d403c568266d17e9cc553e561"
                }
            ],
            "title": "mm, swap: restore swap_space attr aviod kernel panic",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}