{"id":"CVE-2026-68304","title":"wifi: brcmfmac: fix 802.1X-SHA256 call trace warning","summary":"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 …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252","Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < 47989a233df369c2c2263ab0a5cbd8c8dad253a5","Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < d0395840e3266397de94ecd3c91e1c188c7667c6","Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < 137e4710da626290495b174e2eb1d5e889a4b165","Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < d3ac5b35ec85c41ccf8ec524d47b520e72edaca1","Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < 00ebbf030d8c4a1cb89cbbae15e28332373649db","Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < bd4fac033bb95fcad898cf6734e869991b2561cb","Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < 7cb34f6c4fe8a68af621d870abe63bfca2275dd6","Linux 4.13"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:46:51.482435Z"},"published":"2026-08-10","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:55:12.546Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68304","references":[{"url":"https://git.kernel.org/stable/c/fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252"},{"url":"https://git.kernel.org/stable/c/47989a233df369c2c2263ab0a5cbd8c8dad253a5"},{"url":"https://git.kernel.org/stable/c/d0395840e3266397de94ecd3c91e1c188c7667c6"},{"url":"https://git.kernel.org/stable/c/137e4710da626290495b174e2eb1d5e889a4b165"},{"url":"https://git.kernel.org/stable/c/d3ac5b35ec85c41ccf8ec524d47b520e72edaca1"},{"url":"https://git.kernel.org/stable/c/00ebbf030d8c4a1cb89cbbae15e28332373649db"},{"url":"https://git.kernel.org/stable/c/bd4fac033bb95fcad898cf6734e869991b2561cb"},{"url":"https://git.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6"}],"tags":["cve.org"],"epss":0.00216,"epssPercentile":0.12161,"ingestedAt":"2026-11-06T18:00:12.613Z","slug":"CVE-2026-68304","body":"## Overview\n\nIn 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]  <TASK>\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\n\n## Affected\n\n- `Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252`\n- `Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < 47989a233df369c2c2263ab0a5cbd8c8dad253a5`\n- `Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < d0395840e3266397de94ecd3c91e1c188c7667c6`\n- `Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < 137e4710da626290495b174e2eb1d5e889a4b165`\n- `Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < d3ac5b35ec85c41ccf8ec524d47b520e72edaca1`\n- `Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < 00ebbf030d8c4a1cb89cbbae15e28332373649db`\n- `Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < bd4fac033bb95fcad898cf6734e869991b2561cb`\n- `Linux >= 2526ff21aa77c205f72e8263335f20b7d7e636fc < 7cb34f6c4fe8a68af621d870abe63bfca2275dd6`\n- `Linux 4.13`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}