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
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
Published:
2026-08-10
Score:
n/a
EPSS:
n/a
KEV:
No
Impact:
n/a
Action:
n/a
Analysis
No analysis available yet.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux | unaffected |
|
||||||||||||||||||||||||
| Linux | Linux | affected |
|
No data.
No data.
No data available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
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References
History
Mon, 10 Aug 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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 | |
| Title | wifi: brcmfmac: fix 802.1X-SHA256 call trace warning | |
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
|
| References |
|
|
MITRE
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-08-10T12:02:38.515Z
Reserved: 2026-07-30T09:28:09.381Z
Link: CVE-2026-68304
Vulnrichment
No data.
NVD
No data.
Redhat
No data.
OpenCVE Enrichment
No data.
Weaknesses
No weakness.