{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-37932",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T04:51:23.970Z",
        "datePublished": "2025-05-20T15:21:57.469Z",
        "dateUpdated": "2026-05-11T21:17:53.987Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:17:53.987Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsch_htb: make htb_qlen_notify() idempotent\n\nhtb_qlen_notify() always deactivates the HTB class and in fact could\ntrigger a warning if it is already deactivated. Therefore, it is not\nidempotent and not friendly to its callers, like fq_codel_dequeue().\n\nLet's make it idempotent to ease qdisc_tree_reduce_backlog() callers'\nlife."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/sched/sch_htb.c"
                    ],
                    "versions": [
                        {
                            "version": "959466588aa7f84ccf79ae36a1d89542eaf9aaec",
                            "lessThan": "e6b45f4de763b00dc1c55e685e2dd1aaf525d3c1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "959466588aa7f84ccf79ae36a1d89542eaf9aaec",
                            "lessThan": "32ae12ce6a9f6bace186ca7335220ff59b6cc3cd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "959466588aa7f84ccf79ae36a1d89542eaf9aaec",
                            "lessThan": "967955c9e57f8eebfccc298037d4aaf3d42bc1c9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "959466588aa7f84ccf79ae36a1d89542eaf9aaec",
                            "lessThan": "73cf6af13153d62f9b76eff422eea79dbc70f15e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "959466588aa7f84ccf79ae36a1d89542eaf9aaec",
                            "lessThan": "bbbf5e0f87078b715e7a665d662a2c0e77f044ae",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "959466588aa7f84ccf79ae36a1d89542eaf9aaec",
                            "lessThan": "0a188c0e197383683fd093ab1ea6ce9a5869a6ea",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "959466588aa7f84ccf79ae36a1d89542eaf9aaec",
                            "lessThan": "a61f1b5921761fbaf166231418bc1db301e5bf59",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "959466588aa7f84ccf79ae36a1d89542eaf9aaec",
                            "lessThan": "5ba8b837b522d7051ef81bacf3d95383ff8edce5",
                            "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/sched/sch_htb.c"
                    ],
                    "versions": [
                        {
                            "version": "4.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.294",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.241",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.190",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.138",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.90",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.28",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14.6",
                            "lessThanOrEqual": "6.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15",
                            "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": "4.14",
                                    "versionEndExcluding": "5.4.294"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14",
                                    "versionEndExcluding": "5.10.241"
                                },
                                {
                                    "vulnerable": true,
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                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14",
                                    "versionEndExcluding": "6.1.138"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14",
                                    "versionEndExcluding": "6.6.90"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14",
                                    "versionEndExcluding": "6.14.6"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14",
                                    "versionEndExcluding": "6.15"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e6b45f4de763b00dc1c55e685e2dd1aaf525d3c1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/32ae12ce6a9f6bace186ca7335220ff59b6cc3cd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/967955c9e57f8eebfccc298037d4aaf3d42bc1c9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/73cf6af13153d62f9b76eff422eea79dbc70f15e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bbbf5e0f87078b715e7a665d662a2c0e77f044ae"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0a188c0e197383683fd093ab1ea6ce9a5869a6ea"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a61f1b5921761fbaf166231418bc1db301e5bf59"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5ba8b837b522d7051ef81bacf3d95383ff8edce5"
                }
            ],
            "title": "sch_htb: make htb_qlen_notify() idempotent",
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                "engine": "bippy-1.2.0"
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        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
                    },
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"
                    }
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                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2025-11-03T19:57:30.412Z"
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            }
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    }
}