{
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    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-27390",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-02-25T13:47:42.677Z",
        "datePublished": "2024-05-01T13:05:12.775Z",
        "dateUpdated": "2024-09-11T17:33:28.377Z"
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                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:28:16.387Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down()\n\nAs discussed in the past (commit 2d3916f31891 (\"ipv6: fix skb drops\nin igmp6_event_query() and igmp6_event_report()\")) I think the\nsynchronize_net() call in ipv6_mc_down() is not needed.\n\nUnder load, synchronize_net() can last between 200 usec and 5 ms.\n\nKASAN seems to agree as well."
                }
            ],
            "affected": [
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv6/mcast.c"
                    ],
                    "versions": [
                        {
                            "version": "f185de28d9ae",
                            "lessThan": "9d159d6637cc",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "f185de28d9ae",
                            "lessThan": "a03ede2282eb",
                            "status": "affected",
                            "versionType": "git"
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                            "status": "affected",
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv6/mcast.c"
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                    "versions": [
                        {
                            "version": "5.13",
                            "status": "affected"
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                        {
                            "version": "0",
                            "lessThan": "5.13",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.153",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.83",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.23",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.7.11",
                            "lessThanOrEqual": "6.7.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.8.2",
                            "lessThanOrEqual": "6.8.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.9",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/9d159d6637ccce25f879d662a480541ef4ba3a50"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a03ede2282ebbd181bd6f5c38cbfcb5765afcd04"
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                },
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                },
                {
                    "url": "https://git.kernel.org/stable/c/5da9a218340a2bc804dc4327e5804392e24a0b88"
                },
                {
                    "url": "https://git.kernel.org/stable/c/17ef8efc00b34918b966388b2af0993811895a8c"
                }
            ],
            "title": "ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down()",
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                    "dateUpdated": "2024-08-02T00:34:52.217Z"
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                "title": "CVE Program Container",
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            {
                "metrics": [
                    {
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                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-27390",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                "version": "2.0.3",
                                "timestamp": "2024-09-10T15:43:45.909098Z"
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