{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49762",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-03-27T16:39:17.990Z",
        "datePublished": "2025-05-01T14:09:02.952Z",
        "dateUpdated": "2026-05-11T19:06:17.437Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:06:17.437Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: check overflow when iterating ATTR_RECORDs\n\nKernel iterates over ATTR_RECORDs in mft record in ntfs_attr_find(). \nBecause the ATTR_RECORDs are next to each other, kernel can get the next\nATTR_RECORD from end address of current ATTR_RECORD, through current\nATTR_RECORD length field.\n\nThe problem is that during iteration, when kernel calculates the end\naddress of current ATTR_RECORD, kernel may trigger an integer overflow bug\nin executing `a = (ATTR_RECORD*)((u8*)a + le32_to_cpu(a->length))`.  This\nmay wrap, leading to a forever iteration on 32bit systems.\n\nThis patch solves it by adding some checks on calculating end address\nof current ATTR_RECORD during iteration."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ntfs/attrib.c"
                    ],
                    "versions": [
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "5559eb5809353a83a40a1e4e7f066431c7b83020",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "86f36de14dce5802856bb7a5921d74439db00b64",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "45683723f6b53e39e8a4cec0894e61fd6ec71989",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "b612f924f296408d7d02fb4cd01218afd4ed7184",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "957732a09c3828267c2819d31c425aa793dd475b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "b63ddb3ba61e2d3539f87e095c881e552bc45dab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "785b2af9654b8beac55644e36da0085c5d776361",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "63095f4f3af59322bea984a6ae44337439348fe0",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ntfs/attrib.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.334",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.300",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.267",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.225",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.156",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.80",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.10",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "2.6.12",
                                    "versionEndExcluding": "4.9.334"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "4.14.300"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "4.19.267"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "5.4.225"
                                },
                                {
                                    "vulnerable": true,
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                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "5.10.156"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "5.15.80"
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "6.0.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "6.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/5559eb5809353a83a40a1e4e7f066431c7b83020"
                },
                {
                    "url": "https://git.kernel.org/stable/c/86f36de14dce5802856bb7a5921d74439db00b64"
                },
                {
                    "url": "https://git.kernel.org/stable/c/45683723f6b53e39e8a4cec0894e61fd6ec71989"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b612f924f296408d7d02fb4cd01218afd4ed7184"
                },
                {
                    "url": "https://git.kernel.org/stable/c/957732a09c3828267c2819d31c425aa793dd475b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b63ddb3ba61e2d3539f87e095c881e552bc45dab"
                },
                {
                    "url": "https://git.kernel.org/stable/c/785b2af9654b8beac55644e36da0085c5d776361"
                },
                {
                    "url": "https://git.kernel.org/stable/c/63095f4f3af59322bea984a6ae44337439348fe0"
                }
            ],
            "title": "ntfs: check overflow when iterating ATTR_RECORDs",
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}