{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2024-50199",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-10-21T19:36:19.969Z",
        "datePublished": "2024-11-08T05:54:13.403Z",
        "dateUpdated": "2026-05-11T20:47:20.650Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T20:47:20.650Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/swapfile: skip HugeTLB pages for unuse_vma\n\nI got a bad pud error and lost a 1GB HugeTLB when calling swapoff.  The\nproblem can be reproduced by the following steps:\n\n 1. Allocate an anonymous 1GB HugeTLB and some other anonymous memory.\n 2. Swapout the above anonymous memory.\n 3. run swapoff and we will get a bad pud error in kernel message:\n\n  mm/pgtable-generic.c:42: bad pud 00000000743d215d(84000001400000e7)\n\nWe can tell that pud_clear_bad is called by pud_none_or_clear_bad in\nunuse_pud_range() by ftrace.  And therefore the HugeTLB pages will never\nbe freed because we lost it from page table.  We can skip HugeTLB pages\nfor unuse_vma to fix it."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/swapfile.c"
                    ],
                    "versions": [
                        {
                            "version": "0fe6e20b9c4c53b3e97096ee73a0857f60aad43f",
                            "lessThan": "ba7f982cdb37ff5a7739dec85d7325ea66fc1496",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fe6e20b9c4c53b3e97096ee73a0857f60aad43f",
                            "lessThan": "417d5838ca73c6331ae2fe692fab6c25c00d9a0b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fe6e20b9c4c53b3e97096ee73a0857f60aad43f",
                            "lessThan": "e41710f5a61aca9d6baaa8f53908a927dd9e7aa7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fe6e20b9c4c53b3e97096ee73a0857f60aad43f",
                            "lessThan": "6ec0fe3756f941f42f8c57156b8bdf2877b2ebaf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fe6e20b9c4c53b3e97096ee73a0857f60aad43f",
                            "lessThan": "bed2b9037806c62166a0ef9a559a1e7e3e1275b8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fe6e20b9c4c53b3e97096ee73a0857f60aad43f",
                            "lessThan": "eb66a833cdd2f7302ee05d05e0fa12a2ca32eb87",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fe6e20b9c4c53b3e97096ee73a0857f60aad43f",
                            "lessThan": "7528c4fb1237512ee18049f852f014eba80bbe8d",
                            "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/swapfile.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.36",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.36",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.285",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.228",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.169",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.114",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.58",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.11.5",
                            "lessThanOrEqual": "6.11.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12",
                            "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": "2.6.36",
                                    "versionEndExcluding": "5.4.285"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.36",
                                    "versionEndExcluding": "5.10.228"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.36",
                                    "versionEndExcluding": "5.15.169"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.36",
                                    "versionEndExcluding": "6.1.114"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.36",
                                    "versionEndExcluding": "6.6.58"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.36",
                                    "versionEndExcluding": "6.11.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.36",
                                    "versionEndExcluding": "6.12"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ba7f982cdb37ff5a7739dec85d7325ea66fc1496"
                },
                {
                    "url": "https://git.kernel.org/stable/c/417d5838ca73c6331ae2fe692fab6c25c00d9a0b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e41710f5a61aca9d6baaa8f53908a927dd9e7aa7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6ec0fe3756f941f42f8c57156b8bdf2877b2ebaf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bed2b9037806c62166a0ef9a559a1e7e3e1275b8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/eb66a833cdd2f7302ee05d05e0fa12a2ca32eb87"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7528c4fb1237512ee18049f852f014eba80bbe8d"
                }
            ],
            "title": "mm/swapfile: skip HugeTLB pages for unuse_vma",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
                    },
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2025-11-03T22:26:54.906Z"
                }
            }
        ]
    }
}