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

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

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
Version Status Constraints
2526ff21aa77c205f72e8263335f20b7d7e636fc affected < 137e4710da626290495b174e2eb1d5e889a4b165
2526ff21aa77c205f72e8263335f20b7d7e636fc affected < d3ac5b35ec85c41ccf8ec524d47b520e72edaca1
2526ff21aa77c205f72e8263335f20b7d7e636fc affected < 00ebbf030d8c4a1cb89cbbae15e28332373649db
2526ff21aa77c205f72e8263335f20b7d7e636fc affected < bd4fac033bb95fcad898cf6734e869991b2561cb
2526ff21aa77c205f72e8263335f20b7d7e636fc affected < 7cb34f6c4fe8a68af621d870abe63bfca2275dd6
Linux Linux affected
Version Status Constraints
4.13 affected —
0 unaffected < 4.13
6.6.148 unaffected ≤ 6.6.*
6.12.101 unaffected ≤ 6.12.*
6.18.42 unaffected ≤ 6.18.*
7.1.6 unaffected ≤ 7.1.*
7.2-rc5 unaffected ≤ *

No data.

No data.

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Fixes

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Workaround

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References
Link Providers
https://git.kernel.org/stable/c/00ebbf030d8c4a1cb89cbbae15e28332373649db cve-icon
https://git.kernel.org/stable/c/137e4710da626290495b174e2eb1d5e889a4b165 cve-icon
https://git.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6 cve-icon
https://git.kernel.org/stable/c/bd4fac033bb95fcad898cf6734e869991b2561cb cve-icon
https://git.kernel.org/stable/c/d3ac5b35ec85c41ccf8ec524d47b520e72edaca1 cve-icon
History

Mon, 10 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-604

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-08-10T12:02:38.515Z

Reserved: 2026-07-30T09:28:09.381Z

Link: CVE-2026-68304

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-10T21:00:03Z

Weaknesses