{"id":"CVE-2026-98326","revision":"3e3b756eb9ac4bcc8d0379cab80056bd","records":[{"revision":"3e3b756eb9ac4bcc8d0379cab80056bd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98326","aliases":[],"title":"wifi: mac80211: mesh: release the channel if start fails","description":"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.","state":0,"publishedAt":"2026-10-06T08:46:19.534+00:00","modifiedAt":"2026-10-19T09:17:36.726+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/mac80211/cfg.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2b5e19677592c167d012c2d129407f39d2bdeb8d\",\n                            \"lessThan\": \"f0afcec2129c166e61821d6ae097061155f01b12\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b5e19677592c167d012c2d129407f39d2bdeb8d\",\n                            \"lessThan\": \"b51f5a310bd6888b90bb9546a8081215dcfe6fbe\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b5e19677592c167d012c2d129407f39d2bdeb8d\",\n                            \"lessThan\": \"632f7acfe6dac1278a9314eaaab14fada400ddaf\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b5e19677592c167d012c2d129407f39d2bdeb8d\",\n                            \"lessThan\": \"41bee71112db53651ba9a9030de1b843255a4a7f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b5e19677592c167d012c2d129407f39d2bdeb8d\",\n                            \"lessThan\": \"4a4e3fa77ea36d3419d806fb5883ef425a605a5d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b5e19677592c167d012c2d129407f39d2bdeb8d\",\n                            \"lessThan\": \"ae97fff6495a8764bc0ef281cfe5444f701e527f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/mac80211/cfg.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.189\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.112\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.54\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.8\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/f0afcec2129c166e61821d6ae097061155f01b12","https://git.kernel.org/stable/c/b51f5a310bd6888b90bb9546a8081215dcfe6fbe","https://git.kernel.org/stable/c/632f7acfe6dac1278a9314eaaab14fada400ddaf","https://git.kernel.org/stable/c/41bee71112db53651ba9a9030de1b843255a4a7f","https://git.kernel.org/stable/c/4a4e3fa77ea36d3419d806fb5883ef425a605a5d","https://git.kernel.org/stable/c/ae97fff6495a8764bc0ef281cfe5444f701e527f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98326","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98326","identifiers":["CVE-2026-98326"]},"retained":false,"historicalAffected":[]}],"coverage":[]}