wifi: brcmfmac: fix 802.1X-SHA256 call trace warning
Summary
| CVE | CVE-2026-68304 |
|---|
| State | PUBLISHED |
|---|
| Assigner | Linux |
|---|
| Source Priority | CVE Program / NVD first with legacy fallback |
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| Published | 2026-08-10 13:20:20 UTC |
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| Updated | 2026-08-10 13:20:20 UTC |
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| 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 |
|---|
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|
| CNA |
Linux |
Linux |
affected 2526ff21aa77c205f72e8263335f20b7d7e636fc 137e4710da626290495b174e2eb1d5e889a4b165 git |
Not specified |
| CNA |
Linux |
Linux |
affected 2526ff21aa77c205f72e8263335f20b7d7e636fc d3ac5b35ec85c41ccf8ec524d47b520e72edaca1 git |
Not specified |
| CNA |
Linux |
Linux |
affected 2526ff21aa77c205f72e8263335f20b7d7e636fc 00ebbf030d8c4a1cb89cbbae15e28332373649db git |
Not specified |
| CNA |
Linux |
Linux |
affected 2526ff21aa77c205f72e8263335f20b7d7e636fc bd4fac033bb95fcad898cf6734e869991b2561cb git |
Not specified |
| CNA |
Linux |
Linux |
affected 2526ff21aa77c205f72e8263335f20b7d7e636fc 7cb34f6c4fe8a68af621d870abe63bfca2275dd6 git |
Not specified |
| CNA |
Linux |
Linux |
affected 4.13 |
Not specified |
| CNA |
Linux |
Linux |
unaffected 4.13 semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.6.148 6.6.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.12.101 6.12.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.18.42 6.18.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 7.1.6 7.1.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 7.2-rc5 * original_commit_for_fix |
Not specified |
References
| Reference | Source | Link | Tags |
|---|
| git.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/d3ac5b35ec85c41ccf8ec524d47b520e72edaca1 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/bd4fac033bb95fcad898cf6734e869991b2561cb |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/00ebbf030d8c4a1cb89cbbae15e28332373649db |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/137e4710da626290495b174e2eb1d5e889a4b165 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.