{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49747",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-03-27T16:39:17.987Z",
        "datePublished": "2025-03-27T16:42:57.094Z",
        "dateUpdated": "2026-05-11T19:05:58.438Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:05:58.438Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs/zmap.c: Fix incorrect offset calculation\n\nEffective offset to add to length was being incorrectly calculated,\nwhich resulted in iomap->length being set to 0, triggering a WARN_ON\nin iomap_iter_done().\n\nFix that, and describe it in comments.\n\nThis was reported as a crash by syzbot under an issue about a warning\nencountered in iomap_iter_done(), but unrelated to erofs.\n\nC reproducer: https://syzkaller.appspot.com/text?tag=ReproC&x=1037a6b2880000\nKernel config: https://syzkaller.appspot.com/text?tag=KernelConfig&x=e2021a61197ebe02\nDashboard link: https://syzkaller.appspot.com/bug?extid=a8e049cd3abd342936b6"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/erofs/zmap.c"
                    ],
                    "versions": [
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                            "version": "eadcd6b5a1eb39866ab8d8a3e4f2e51bc51a2350",
                            "lessThan": "2144859229c1e74f52d3ea067338d314a83a8afb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eadcd6b5a1eb39866ab8d8a3e4f2e51bc51a2350",
                            "lessThan": "9f31d8c889d9a4e47bfcc6c4537d0c9f89fe582c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eadcd6b5a1eb39866ab8d8a3e4f2e51bc51a2350",
                            "lessThan": "6acd87d50998ef0afafc441613aeaf5a8f5c9eff",
                            "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/erofs/zmap.c"
                    ],
                    "versions": [
                        {
                            "version": "5.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.92",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.10",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "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": "5.15",
                                    "versionEndExcluding": "5.15.92"
                                },
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.1.10"
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.2"
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                    ]
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2144859229c1e74f52d3ea067338d314a83a8afb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9f31d8c889d9a4e47bfcc6c4537d0c9f89fe582c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6acd87d50998ef0afafc441613aeaf5a8f5c9eff"
                }
            ],
            "title": "erofs/zmap.c: Fix incorrect offset calculation",
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}