Not yet scoredPublished Aug 10, 2026

CVE-2026-68304wifi: brcmfmac: fix 802.1X-SHA256 call trace warning

Updated under an hour ago (Oct 27, 2026, 10:30 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix 802.1X-SHA256 call trace warning Based on wpa_auth as 1x_256 mode, need to set up "use_fwsup" with BRCMF_PROFILE_FWSUP_1X. Or it will happen trace warning when call brcmf_cfg80211_set_pmk(). [ 4481.831101] ------------[ cut here ]------------ [ 4481.831102] WARNING: CPU: 1 PID: 2997 at drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:7242 brcmf_cfg80211_set_pmk+0x77/0xd0 [brcmfmac] [...] [ 4481.831202] Call Trace: [ 4481.831204] <TASK> [ 4481.831205] nl80211_set_pmk+0x183/0x250 [cfg80211] [ 4481.831233] genl_family_rcv_msg_doit+0xea/0x150 [ 4481.831237] genl_rcv_msg+0x104/0x240 [ 4481.831239] ? cfg80211_probe_status+0x2c0/0x2c0 [cfg80211] [ 4481.831257] ? genl_family_rcv_msg_doit+0x150/0x150 [ 4481.831259] netlink_rcv_skb+0x4e/0x100 [ 4481.831261] genl_rcv+0x24/0x40 [ 4481.831262] netlink_unicast+0x236/0x380 [ 4481.831264] netlink_sendmsg+0x250/0x4b0 [ 4481.831266] sock_sendmsg+0x5c/0x70 [ 4481.831269] ____sys_sendmsg+0x236/0x2b0 [ 4481.831271] ? copy_msghdr_from_user+0x6d/0xa0 [ 4481.831272] ___sys_sendmsg+0x86/0xd0 [ 4481.831274] ? avc_has_perm+0x8c/0x1a0 [ 4481.831276] ? preempt_count_add+0x6a/0xa0 [ 4481.831279] ? sock_has_perm+0x82/0xa0 [ 4481.831280] __sys_sendmsg+0x57/0xa0 [ 4481.831282] do_syscall_64+0x38/0x90 [ 4481.831284] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 4481.831286] RIP: 0033:0x7fd270d369b4

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Aug 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 2526ff21aa77c205f72e8263335f20b7d7e636fc before fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252; from 2526ff21aa77c205f72e8263335f20b7d7e636fc before 47989a233df369c2c2263ab0a5cbd8c8dad253a5; from 2526ff21aa77c205f72e8263335f20b7d7e636fc before d0395840e3266397de94ecd3c91e1c188c7667c6; 2526ff21aa77c205f72e8263335f20b7d7e636fc builds before 137e4710da626290495b174e2eb1d5e889a4b165; from 2526ff21aa77c205f72e8263335f20b7d7e636fc before d3ac5b35ec85c41ccf8ec524d47b520e72edaca1; 2526ff21aa77c205f72e8263335f20b7d7e636fc builds before 00ebbf030d8c4a1cb89cbbae15e28332373649db; from 2526ff21aa77c205f72e8263335f20b7d7e636fc before bd4fac033bb95fcad898cf6734e869991b2561cb; 2526ff21aa77c205f72e8263335f20b7d7e636fc builds before 7cb34f6c4fe8a68af621d870abe63bfca2275dd6	CNA record

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.