{"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":"2026-10-06T08:46:19.534Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-06T08:46:19.534Z"},"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-rc4","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-rc4"}]}]}],"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"}}}}