{"api_version":"1","generated_at":"2026-08-14T13:38:06+00:00","cve":"CVE-2026-68304","urls":{"html":"https://cve.report/CVE-2026-68304","api":"https://cve.report/api/cve/CVE-2026-68304.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-68304","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-68304"},"summary":{"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","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-10 13:20:20","updated_at":"2026-08-10 13:20:20"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6","name":"https://git.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d3ac5b35ec85c41ccf8ec524d47b520e72edaca1","name":"https://git.kernel.org/stable/c/d3ac5b35ec85c41ccf8ec524d47b520e72edaca1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bd4fac033bb95fcad898cf6734e869991b2561cb","name":"https://git.kernel.org/stable/c/bd4fac033bb95fcad898cf6734e869991b2561cb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/00ebbf030d8c4a1cb89cbbae15e28332373649db","name":"https://git.kernel.org/stable/c/00ebbf030d8c4a1cb89cbbae15e28332373649db","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/137e4710da626290495b174e2eb1d5e889a4b165","name":"https://git.kernel.org/stable/c/137e4710da626290495b174e2eb1d5e889a4b165","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-68304","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68304","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2526ff21aa77c205f72e8263335f20b7d7e636fc 137e4710da626290495b174e2eb1d5e889a4b165 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2526ff21aa77c205f72e8263335f20b7d7e636fc d3ac5b35ec85c41ccf8ec524d47b520e72edaca1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2526ff21aa77c205f72e8263335f20b7d7e636fc 00ebbf030d8c4a1cb89cbbae15e28332373649db git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2526ff21aa77c205f72e8263335f20b7d7e636fc bd4fac033bb95fcad898cf6734e869991b2561cb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2526ff21aa77c205f72e8263335f20b7d7e636fc 7cb34f6c4fe8a68af621d870abe63bfca2275dd6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.148 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.101 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.42 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.6 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc5 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"137e4710da626290495b174e2eb1d5e889a4b165","status":"affected","version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","versionType":"git"},{"lessThan":"d3ac5b35ec85c41ccf8ec524d47b520e72edaca1","status":"affected","version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","versionType":"git"},{"lessThan":"00ebbf030d8c4a1cb89cbbae15e28332373649db","status":"affected","version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","versionType":"git"},{"lessThan":"bd4fac033bb95fcad898cf6734e869991b2561cb","status":"affected","version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","versionType":"git"},{"lessThan":"7cb34f6c4fe8a68af621d870abe63bfca2275dd6","status":"affected","version":"2526ff21aa77c205f72e8263335f20b7d7e636fc","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.13"},{"lessThan":"4.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.148","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.101","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.42","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc5","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.148","versionStartIncluding":"4.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.101","versionStartIncluding":"4.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.42","versionStartIncluding":"4.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.6","versionStartIncluding":"4.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc5","versionStartIncluding":"4.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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"}],"providerMetadata":{"dateUpdated":"2026-08-10T12:02:38.515Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"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"}],"title":"wifi: brcmfmac: fix 802.1X-SHA256 call trace warning","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-68304","datePublished":"2026-08-10T12:02:38.515Z","dateReserved":"2026-07-30T09:28:09.381Z","dateUpdated":"2026-08-10T12:02:38.515Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-10 13:20:20","lastModifiedDate":"2026-08-10 13:20:20","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"68304","Ordinal":"1","Title":"wifi: brcmfmac: fix 802.1X-SHA256 call trace warning","CVE":"CVE-2026-68304","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"68304","Ordinal":"1","NoteData":"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","Type":"Description","Title":"wifi: brcmfmac: fix 802.1X-SHA256 call trace warning"}]}}}