CVE-2026-68304

wifi: brcmfmac: fix 802.1X-SHA256 call trace warning

N/A

Published: August 10, 2026 at 12:02 PM UTC

Updated: August 19, 2026 at 05:20 PM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

N/A

Exploit prediction

EPSS 0.2%

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.13 ≤ v < 5.10.2654.13 ≤ v < 5.15.2164.13 ≤ v < 6.1.1834.13 ≤ v < 6.12.1014.13 ≤ v < 6.18.424.13 ≤ v < 6.6.1484.13 ≤ v < 7.1.64.13 ≤ v < 7.22526ff21aa77c205f72e8263335f20b7d7e636fc4.13

Vendor states this is fixed in 00ebbf030d8c4a1cb89cbbae15e28332373649db (fixed)

Vendor states this is fixed in 137e4710da626290495b174e2eb1d5e889a4b165 (fixed)

Vendor states this is fixed in 47989a233df369c2c2263ab0a5cbd8c8dad253a5 (fixed)

Vendor states this is fixed in 7cb34f6c4fe8a68af621d870abe63bfca2275dd6 (fixed)

Vendor states this is fixed in bd4fac033bb95fcad898cf6734e869991b2561cb (fixed)

Vendor states this is fixed in d0395840e3266397de94ecd3c91e1c188c7667c6 (fixed)

Vendor states this is fixed in d3ac5b35ec85c41ccf8ec524d47b520e72edaca1 (fixed)

Vendor states this is fixed in fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252 (fixed)

Vendor states this is fixed in 4.13 (unaffected)

Vendor states this is fixed in 5.10.265 (unaffected)

Vendor states this is fixed in 5.15.216 (unaffected)

Vendor states this is fixed in 6.1.183 (unaffected)