{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46231",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.106Z",
        "datePublished": "2026-05-28T09:40:53.471Z",
        "dateUpdated": "2026-06-14T18:04:27.129Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-14T18:04:27.129Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: bla: put backbone reference on failed claim hash insert\n\nWhen batadv_bla_add_claim() fails to insert a new claim into the hash, it\nleaked a reference to the backbone_gw for which the claim was intended.\nCall batadv_backbone_gw_put() on the error path to release the reference\nand avoid leaking the backbone_gw object."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/batman-adv/bridge_loop_avoidance.c"
                    ],
                    "versions": [
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                            "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
                            "lessThan": "6c8b68a7ed667a63aa603ba4d3a7088be143007e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
                            "lessThan": "769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
                            "lessThan": "2888c9a154123db0254ae4fb9bea570c7e1f2e06",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
                            "lessThan": "65419eb4259a26a3cd3f56fa0e3b3c113bf8c256",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
                            "lessThan": "fd0ca034c1e71ca7613cde9dd892836b2c2831bd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
                            "lessThan": "0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
                            "lessThan": "7cccf4eb4f96d3c3af91a00b7a9caa652439542e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
                            "lessThan": "ba9d20ee9076dac32c371116bacbe72480eb356c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3fdd337ac0b277a1f40aa73b35283520f426e517",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "485eedfabc2aefac8f09f98a82ba1c1e3e202a6d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3.16.39",
                            "lessThan": "3.17",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.4.217",
                            "lessThan": "4.5",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/batman-adv/bridge_loop_avoidance.c"
                    ],
                    "versions": [
                        {
                            "version": "4.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.90",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.32",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.9",
                            "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": "4.7",
                                    "versionEndExcluding": "5.10.258"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "5.15.209"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "6.1.175"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "6.6.140"
                                },
                                {
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                                    "versionStartIncluding": "4.7",
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                                {
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                                    "versionStartIncluding": "4.7",
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                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "7.0.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "7.1"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16.39"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4.217"
                                }
                            ]
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/6c8b68a7ed667a63aa603ba4d3a7088be143007e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2888c9a154123db0254ae4fb9bea570c7e1f2e06"
                },
                {
                    "url": "https://git.kernel.org/stable/c/65419eb4259a26a3cd3f56fa0e3b3c113bf8c256"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fd0ca034c1e71ca7613cde9dd892836b2c2831bd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7cccf4eb4f96d3c3af91a00b7a9caa652439542e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ba9d20ee9076dac32c371116bacbe72480eb356c"
                }
            ],
            "title": "batman-adv: bla: put backbone reference on failed claim hash insert",
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                "engine": "bippy-1.2.0"
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        }
    }
}