{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-64054",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T07:54:57.029Z",
        "datePublished": "2026-07-19T15:39:36.475Z",
        "dateUpdated": "2026-07-19T15:39:36.475Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-19T15:39:36.475Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: shaper: reject duplicate leaves in GROUP request\n\nnet_shaper_nl_group_doit() does not deduplicate NET_SHAPER_A_LEAVES\nentries. When userspace supplies the same leaf handle twice, the same\nold-parent pointer lands twice in old_nodes[]. The cleanup loop double\nfrees the parent. Of course the same parent may still be in old_nodes[]\ntwice if we are moving multiple of its leaves.\n\nNote that this patch also implicitly fixes the fact that the\ni >= leaves_count path forgets to set ret."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/shaper/shaper.c"
                    ],
                    "versions": [
                        {
                            "version": "5d5d4700e75d861e83bf18eb6bf66ff90f85fe4e",
                            "lessThan": "5098b223f0f0c5c18a3884a8b0ea5bd4a0c7bd75",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d5d4700e75d861e83bf18eb6bf66ff90f85fe4e",
                            "lessThan": "31767bf852b59f05125b58a17007e4cd1ea9eb2e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d5d4700e75d861e83bf18eb6bf66ff90f85fe4e",
                            "lessThan": "a9a2fa1da619f276580b0d4c5d12efac89e8642b",
                            "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/shaper/shaper.c"
                    ],
                    "versions": [
                        {
                            "version": "6.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.34",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.11",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "6.13",
                                    "versionEndExcluding": "6.18.34"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.13",
                                    "versionEndExcluding": "7.0.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.13",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/5098b223f0f0c5c18a3884a8b0ea5bd4a0c7bd75"
                },
                {
                    "url": "https://git.kernel.org/stable/c/31767bf852b59f05125b58a17007e4cd1ea9eb2e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a9a2fa1da619f276580b0d4c5d12efac89e8642b"
                }
            ],
            "title": "net: shaper: reject duplicate leaves in GROUP request",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}