{"id":"CVE-2026-68304","summary":"wifi: brcmfmac: fix 802.1X-SHA256 call trace warning","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: fix 802.1X-SHA256 call trace warning\n\nBased on wpa_auth as 1x_256 mode, need to set up\n\"use_fwsup\" with BRCMF_PROFILE_FWSUP_1X.\nOr it will happen trace warning when call brcmf_cfg80211_set_pmk().\n\n[ 4481.831101] ------------[ cut here ]------------\n[ 4481.831102] WARNING: CPU: 1 PID: 2997 at\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:7242 brcmf_cfg80211_set_pmk+0x77/0xd0 [brcmfmac]\n[...]\n[ 4481.831202] Call Trace:\n[ 4481.831204]  \u003cTASK\u003e\n[ 4481.831205]  nl80211_set_pmk+0x183/0x250 [cfg80211]\n[ 4481.831233]  genl_family_rcv_msg_doit+0xea/0x150\n[ 4481.831237]  genl_rcv_msg+0x104/0x240\n[ 4481.831239]  ? cfg80211_probe_status+0x2c0/0x2c0 [cfg80211]\n[ 4481.831257]  ? genl_family_rcv_msg_doit+0x150/0x150\n[ 4481.831259]  netlink_rcv_skb+0x4e/0x100\n[ 4481.831261]  genl_rcv+0x24/0x40\n[ 4481.831262]  netlink_unicast+0x236/0x380\n[ 4481.831264]  netlink_sendmsg+0x250/0x4b0\n[ 4481.831266]  sock_sendmsg+0x5c/0x70\n[ 4481.831269]  ____sys_sendmsg+0x236/0x2b0\n[ 4481.831271]  ? copy_msghdr_from_user+0x6d/0xa0\n[ 4481.831272]  ___sys_sendmsg+0x86/0xd0\n[ 4481.831274]  ? avc_has_perm+0x8c/0x1a0\n[ 4481.831276]  ? preempt_count_add+0x6a/0xa0\n[ 4481.831279]  ? sock_has_perm+0x82/0xa0\n[ 4481.831280]  __sys_sendmsg+0x57/0xa0\n[ 4481.831282]  do_syscall_64+0x38/0x90\n[ 4481.831284]  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[ 4481.831286] RIP: 0033:0x7fd270d369b4","modified":"2026-08-12T04:18:47.908630748Z","published":"2026-08-10T12:02:38.515Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68304.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/00ebbf030d8c4a1cb89cbbae15e28332373649db"},{"type":"WEB","url":"https://git.kernel.org/stable/c/137e4710da626290495b174e2eb1d5e889a4b165"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bd4fac033bb95fcad898cf6734e869991b2561cb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d3ac5b35ec85c41ccf8ec524d47b520e72edaca1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68304.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68304"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2526ff21aa77c205f72e8263335f20b7d7e636fc"},{"fixed":"137e4710da626290495b174e2eb1d5e889a4b165"},{"fixed":"d3ac5b35ec85c41ccf8ec524d47b520e72edaca1"},{"fixed":"00ebbf030d8c4a1cb89cbbae15e28332373649db"},{"fixed":"bd4fac033bb95fcad898cf6734e869991b2561cb"},{"fixed":"7cb34f6c4fe8a68af621d870abe63bfca2275dd6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68304.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.13.0"},{"fixed":"6.6.148"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.101"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.42"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68304.json"}}],"schema_version":"1.9.0"}