{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49743",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-03-27T16:39:17.987Z",
        "datePublished": "2025-03-27T16:42:54.289Z",
        "dateUpdated": "2026-05-11T19:05:53.744Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:05:53.744Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\novl: Use \"buf\" flexible array for memcpy() destination\n\nThe \"buf\" flexible array needs to be the memcpy() destination to avoid\nfalse positive run-time warning from the recent FORTIFY_SOURCE\nhardening:\n\n  memcpy: detected field-spanning write (size 93) of single field \"&fh->fb\"\n  at fs/overlayfs/export.c:799 (size 21)"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/overlayfs/export.c",
                        "fs/overlayfs/overlayfs.h"
                    ],
                    "versions": [
                        {
                            "version": "cbe7fba8edfc8cb8e621599e376f8ac5c224fa72",
                            "lessThan": "012cdef22000f3104e4fa8224ad29fde509b8caf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cbe7fba8edfc8cb8e621599e376f8ac5c224fa72",
                            "lessThan": "a77141a06367825d639ac51b04703d551163e36c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cbe7fba8edfc8cb8e621599e376f8ac5c224fa72",
                            "lessThan": "07a96977b2f462337a9121302de64277b8747ab1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cbe7fba8edfc8cb8e621599e376f8ac5c224fa72",
                            "lessThan": "cf8aa9bf97cadf85745506c6a3e244b22c268d63",
                            "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/overlayfs/export.c",
                        "fs/overlayfs/overlayfs.h"
                    ],
                    "versions": [
                        {
                            "version": "5.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.248",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.93",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.11",
                            "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": "5.5",
                                    "versionEndExcluding": "5.10.248"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "5.15.93"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "6.1.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/012cdef22000f3104e4fa8224ad29fde509b8caf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a77141a06367825d639ac51b04703d551163e36c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/07a96977b2f462337a9121302de64277b8747ab1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cf8aa9bf97cadf85745506c6a3e244b22c268d63"
                }
            ],
            "title": "ovl: Use \"buf\" flexible array for memcpy() destination",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}