{"id":"CVE-2026-68304","state":"PUBLISHED","title":"wifi: brcmfmac: fix 802.1X-SHA256 call trace warning","description":"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]  <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","publishedAt":"2026-08-10T12:02:38.515Z","updatedAt":"2026-08-19T16:32:58.379Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"47989a233df369c2c2263ab0a5cbd8c8dad253a5","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"d0395840e3266397de94ecd3c91e1c188c7667c6","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"137e4710da626290495b174e2eb1d5e889a4b165","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"d3ac5b35ec85c41ccf8ec524d47b520e72edaca1","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"00ebbf030d8c4a1cb89cbbae15e28332373649db","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"bd4fac033bb95fcad898cf6734e869991b2561cb","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"7cb34f6c4fe8a68af621d870abe63bfca2275dd6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.13","versionType":"semver"},{"version":"5.10.265","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c"]}],"references":["https://git.kernel.org/stable/c/fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252","https://git.kernel.org/stable/c/47989a233df369c2c2263ab0a5cbd8c8dad253a5","https://git.kernel.org/stable/c/d0395840e3266397de94ecd3c91e1c188c7667c6","https://git.kernel.org/stable/c/137e4710da626290495b174e2eb1d5e889a4b165","https://git.kernel.org/stable/c/d3ac5b35ec85c41ccf8ec524d47b520e72edaca1","https://git.kernel.org/stable/c/00ebbf030d8c4a1cb89cbbae15e28332373649db","https://git.kernel.org/stable/c/bd4fac033bb95fcad898cf6734e869991b2561cb","https://git.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68304.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68304","state":"PUBLISHED","datePublished":"2026-08-10T12:02:38.515Z","dateUpdated":"2026-08-19T16:32:58.379Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.381Z"},"containers":{"cna":{"title":"wifi: brcmfmac: fix 802.1X-SHA256 call trace warning","descriptions":[{"lang":"en","value":"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]  <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"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"47989a233df369c2c2263ab0a5cbd8c8dad253a5","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"d0395840e3266397de94ecd3c91e1c188c7667c6","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"137e4710da626290495b174e2eb1d5e889a4b165","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"d3ac5b35ec85c41ccf8ec524d47b520e72edaca1","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"00ebbf030d8c4a1cb89cbbae15e28332373649db","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"bd4fac033bb95fcad898cf6734e869991b2561cb","versionType":"git"},{"version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","status":"affected","lessThan":"7cb34f6c4fe8a68af621d870abe63bfca2275dd6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.13","versionType":"semver"},{"version":"5.10.265","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-19T16:32:58.379Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"5.10.265"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"5.15.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}