{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98326",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.340Z",
        "datePublished": "2026-10-06T08:46:19.534Z",
        "dateUpdated": "2026-10-19T09:17:36.726Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:17:36.726Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: mesh: release the channel if start fails\n\nieee80211_join_mesh() acquires a channel context and then calls\nieee80211_start_mesh(), which can fail. In that case, the chanctx\nisn't released then interface removal will attempt to unassign it\nafter it's removed from the driver, hitting:\n\n  wlan0: Failed check-sdata-in-driver check, flags: 0x0\n  WARNING: net/mac80211/driver-ops.c:366 at drv_unassign_vif_chanctx\n   ieee80211_assign_link_chanctx\n   __ieee80211_link_release_channel\n   ieee80211_link_release_channel\n   ieee80211_teardown_sdata\n   unregister_netdevice_many_notify\n   _cfg80211_unregister_wdev\n   ieee80211_remove_interfaces\n   ieee80211_unregister_hw\n   mac80211_hwsim_del_radio\n   hwsim_exit_net\n\nCorrectly release the channel on start failures."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/mac80211/cfg.c"
                    ],
                    "versions": [
                        {
                            "version": "2b5e19677592c167d012c2d129407f39d2bdeb8d",
                            "lessThan": "f0afcec2129c166e61821d6ae097061155f01b12",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b5e19677592c167d012c2d129407f39d2bdeb8d",
                            "lessThan": "b51f5a310bd6888b90bb9546a8081215dcfe6fbe",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b5e19677592c167d012c2d129407f39d2bdeb8d",
                            "lessThan": "632f7acfe6dac1278a9314eaaab14fada400ddaf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b5e19677592c167d012c2d129407f39d2bdeb8d",
                            "lessThan": "41bee71112db53651ba9a9030de1b843255a4a7f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b5e19677592c167d012c2d129407f39d2bdeb8d",
                            "lessThan": "4a4e3fa77ea36d3419d806fb5883ef425a605a5d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b5e19677592c167d012c2d129407f39d2bdeb8d",
                            "lessThan": "ae97fff6495a8764bc0ef281cfe5444f701e527f",
                            "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/mac80211/cfg.c"
                    ],
                    "versions": [
                        {
                            "version": "3.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.54",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.8",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "3.9",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "6.12.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "6.18.54"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "7.2.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f0afcec2129c166e61821d6ae097061155f01b12"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b51f5a310bd6888b90bb9546a8081215dcfe6fbe"
                },
                {
                    "url": "https://git.kernel.org/stable/c/632f7acfe6dac1278a9314eaaab14fada400ddaf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/41bee71112db53651ba9a9030de1b843255a4a7f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4a4e3fa77ea36d3419d806fb5883ef425a605a5d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ae97fff6495a8764bc0ef281cfe5444f701e527f"
                }
            ],
            "title": "wifi: mac80211: mesh: release the channel if start fails",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}