{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-39872",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T07:20:57.144Z",
        "datePublished": "2025-09-23T06:00:45.528Z",
        "dateUpdated": "2026-05-23T16:00:54.896Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T16:00:54.896Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhsr: hold rcu and dev lock for hsr_get_port_ndev\n\nhsr_get_port_ndev calls hsr_for_each_port, which need to hold rcu lock.\nOn the other hand, before return the port device, we need to hold the\ndevice reference to avoid UaF in the caller function."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/ti/icssg/icssg_prueth.c",
                        "net/hsr/hsr_device.c"
                    ],
                    "versions": [
                        {
                            "version": "ef964411c8ca775967355d855abc56aeaca3c867",
                            "lessThan": "9433ba79c2ec3ec7c9a711748701549339c3438c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9c10dd8eed74de9e8adeb820939f8745cd566d4a",
                            "lessThan": "68a6729afd3e8e9a2a32538642ce92b96ccf9b1d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9c10dd8eed74de9e8adeb820939f8745cd566d4a",
                            "lessThan": "847748fc66d08a89135a74e29362a66ba4e3ab15",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.12.63",
                            "lessThan": "6.12.64",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/ti/icssg/icssg_prueth.c",
                        "net/hsr/hsr_device.c"
                    ],
                    "versions": [
                        {
                            "version": "6.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.64",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.16.8",
                            "lessThanOrEqual": "6.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17",
                            "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": "6.12.63",
                                    "versionEndExcluding": "6.12.64"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.14",
                                    "versionEndExcluding": "6.16.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.14",
                                    "versionEndExcluding": "6.17"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/9433ba79c2ec3ec7c9a711748701549339c3438c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/68a6729afd3e8e9a2a32538642ce92b96ccf9b1d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/847748fc66d08a89135a74e29362a66ba4e3ab15"
                }
            ],
            "title": "hsr: hold rcu and dev lock for hsr_get_port_ndev",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}