{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-63835",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T07:54:57.015Z",
        "datePublished": "2026-07-19T12:02:26.574Z",
        "dateUpdated": "2026-08-17T04:51:45.552Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T04:51:45.552Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: v: prevent OGM aggregation on disabled hardif\n\nWhen an interface gets disabled, the worker is correctly disabled by\nbatadv_hardif_disable_interface() -> ... -> batadv_v_ogm_iface_disable().\nIn this process, the skb aggr_list is also freed.\n\nBut batadv_v_ogm_send_meshif() can still queue new skbs (via\nbatadv_v_ogm_queue_on_if()) to the aggr_list. This will only stop after all\ncores can no longer find the RCU protected list of hard interfaces. These\nqueued skbs will never be freed or consumed by batadv_v_ogm_aggr_work.\n\nThe batadv_v_ogm_iface_disable() function must block\nbatadv_v_ogm_queue_on_if() to avoid leak of skbs."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/batman-adv/bat_v.c",
                        "net/batman-adv/bat_v_ogm.c",
                        "net/batman-adv/types.h"
                    ],
                    "versions": [
                        {
                            "version": "f89255a02f1d75d8e1b9d1c31435fcb64840cb2a",
                            "lessThan": "d462ced79dd430200cf888984e8005da77fc810b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f89255a02f1d75d8e1b9d1c31435fcb64840cb2a",
                            "lessThan": "f79deaaf822ab0ee2424cf28781f9ab91576bea3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f89255a02f1d75d8e1b9d1c31435fcb64840cb2a",
                            "lessThan": "d3569327fc7395b2b0461a0a0cb77a0bb74786c0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f89255a02f1d75d8e1b9d1c31435fcb64840cb2a",
                            "lessThan": "97644fdaaf6446ffbe182c5eb804fceb5b1a51b7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f89255a02f1d75d8e1b9d1c31435fcb64840cb2a",
                            "lessThan": "f04dde74399431fb07abbdd9cd5d0ed624771d04",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f89255a02f1d75d8e1b9d1c31435fcb64840cb2a",
                            "lessThan": "3d4548c96d6f21ac1a9b06c5f82f3ef439c87023",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f89255a02f1d75d8e1b9d1c31435fcb64840cb2a",
                            "lessThan": "86ab6b6fb5b82163bf6c45780bb72150021d7349",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f89255a02f1d75d8e1b9d1c31435fcb64840cb2a",
                            "lessThan": "d11c00b95b2a3b3934007fc003dccc6fdcc061ad",
                            "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/batman-adv/bat_v.c",
                        "net/batman-adv/bat_v_ogm.c",
                        "net/batman-adv/types.h"
                    ],
                    "versions": [
                        {
                            "version": "5.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.260",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.211",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.177",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.144",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.95",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.38",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.3",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "5.4",
                                    "versionEndExcluding": "5.10.260"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "5.15.211"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.12.95"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "7.1.3"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "7.2"
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                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/d462ced79dd430200cf888984e8005da77fc810b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f79deaaf822ab0ee2424cf28781f9ab91576bea3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d3569327fc7395b2b0461a0a0cb77a0bb74786c0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/97644fdaaf6446ffbe182c5eb804fceb5b1a51b7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f04dde74399431fb07abbdd9cd5d0ed624771d04"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3d4548c96d6f21ac1a9b06c5f82f3ef439c87023"
                },
                {
                    "url": "https://git.kernel.org/stable/c/86ab6b6fb5b82163bf6c45780bb72150021d7349"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d11c00b95b2a3b3934007fc003dccc6fdcc061ad"
                }
            ],
            "title": "batman-adv: v: prevent OGM aggregation on disabled hardif",
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}