{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-74718",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-15T05:44:03.928Z",
        "datePublished": "2026-08-22T15:33:12.106Z",
        "dateUpdated": "2026-08-22T15:33:12.106Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-22T15:33:12.106Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndevlink: fix net namespace reference leak in reload\n\ndevlink_nl_reload_doit() calls devlink_netns_get(), which returns a net\nwith a held reference. When the requested namespace differs from the\ncurrent one and the reload action is not DRIVER_REINIT, the function\nreturns -EOPNOTSUPP without releasing the reference. Add the missing\nput_net() on this error path."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/devlink/dev.c"
                    ],
                    "versions": [
                        {
                            "version": "2edd92570441dd33246210042dc167319a5cf7e3",
                            "lessThan": "7b6552e53426ea0539c667bbc5a524fdf7feae6f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2edd92570441dd33246210042dc167319a5cf7e3",
                            "lessThan": "bf0797b92be591ac71d7c0f610e695caca3c72c9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2edd92570441dd33246210042dc167319a5cf7e3",
                            "lessThan": "7b02c6d2a3cd2cd669f5c16685779f84328ae60c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2edd92570441dd33246210042dc167319a5cf7e3",
                            "lessThan": "eda60c85b4f4c7d66b7141a5fe020b1a7f395341",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2edd92570441dd33246210042dc167319a5cf7e3",
                            "lessThan": "1c4dac9bf1d2ac31da63b794bdec697777cbd0fd",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/devlink/dev.c"
                    ],
                    "versions": [
                        {
                            "version": "6.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.152",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.104",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.45",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.9",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "6.3",
                                    "versionEndExcluding": "6.6.152"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.12.104"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.18.45"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "7.1.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7b6552e53426ea0539c667bbc5a524fdf7feae6f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bf0797b92be591ac71d7c0f610e695caca3c72c9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7b02c6d2a3cd2cd669f5c16685779f84328ae60c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/eda60c85b4f4c7d66b7141a5fe020b1a7f395341"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1c4dac9bf1d2ac31da63b794bdec697777cbd0fd"
                }
            ],
            "title": "devlink: fix net namespace reference leak in reload",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}