GHSA-GQH4-Q6G4-CVR4
Vulnerability from github – Published: 2026-08-10 15:33 – Updated: 2026-08-19 18:32In 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] [ 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] _syssendmsg+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": [],
"aliases": [
"CVE-2026-68304"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-08-10T13:20:20Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: fix 802.1X-SHA256 call trace warning\n\nBased on wpa_auth as 1x_256 mode, need to set up\n\"use_fwsup\" with BRCMF_PROFILE_FWSUP_1X.\nOr it will happen trace warning when call brcmf_cfg80211_set_pmk().\n\n[ 4481.831101] ------------[ cut here ]------------\n[ 4481.831102] WARNING: CPU: 1 PID: 2997 at\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:7242 brcmf_cfg80211_set_pmk+0x77/0xd0 [brcmfmac]\n[...]\n[ 4481.831202] Call Trace:\n[ 4481.831204] \u00a0\u003cTASK\u003e\n[ 4481.831205] \u00a0nl80211_set_pmk+0x183/0x250 [cfg80211]\n[ 4481.831233] \u00a0genl_family_rcv_msg_doit+0xea/0x150\n[ 4481.831237] \u00a0genl_rcv_msg+0x104/0x240\n[ 4481.831239] \u00a0? cfg80211_probe_status+0x2c0/0x2c0 [cfg80211]\n[ 4481.831257] \u00a0? genl_family_rcv_msg_doit+0x150/0x150\n[ 4481.831259] \u00a0netlink_rcv_skb+0x4e/0x100\n[ 4481.831261] \u00a0genl_rcv+0x24/0x40\n[ 4481.831262] \u00a0netlink_unicast+0x236/0x380\n[ 4481.831264] \u00a0netlink_sendmsg+0x250/0x4b0\n[ 4481.831266] \u00a0sock_sendmsg+0x5c/0x70\n[ 4481.831269] \u00a0____sys_sendmsg+0x236/0x2b0\n[ 4481.831271] \u00a0? copy_msghdr_from_user+0x6d/0xa0\n[ 4481.831272] \u00a0___sys_sendmsg+0x86/0xd0\n[ 4481.831274] \u00a0? avc_has_perm+0x8c/0x1a0\n[ 4481.831276] \u00a0? preempt_count_add+0x6a/0xa0\n[ 4481.831279] \u00a0? sock_has_perm+0x82/0xa0\n[ 4481.831280] \u00a0__sys_sendmsg+0x57/0xa0\n[ 4481.831282] \u00a0do_syscall_64+0x38/0x90\n[ 4481.831284] \u00a0entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[ 4481.831286] RIP: 0033:0x7fd270d369b4",
"id": "GHSA-gqh4-q6g4-cvr4",
"modified": "2026-08-19T18:32:13Z",
"published": "2026-08-10T15:33:45Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68304"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/00ebbf030d8c4a1cb89cbbae15e28332373649db"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/137e4710da626290495b174e2eb1d5e889a4b165"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/47989a233df369c2c2263ab0a5cbd8c8dad253a5"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/bd4fac033bb95fcad898cf6734e869991b2561cb"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d0395840e3266397de94ecd3c91e1c188c7667c6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d3ac5b35ec85c41ccf8ec524d47b520e72edaca1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252"
}
],
"schema_version": "1.4.0",
"severity": []
}
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