FKIE_CVE-2026-68304
Vulnerability from fkie_nvd - Published: 2026-08-10 13:20 - Updated: 2026-08-19 17:20
Severity
Summary
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
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252",
"status": "affected",
"version": "2526ff21aa77c205f72e8263335f20b7d7e636fc",
"versionType": "git"
},
{
"lessThan": "47989a233df369c2c2263ab0a5cbd8c8dad253a5",
"status": "affected",
"version": "2526ff21aa77c205f72e8263335f20b7d7e636fc",
"versionType": "git"
},
{
"lessThan": "d0395840e3266397de94ecd3c91e1c188c7667c6",
"status": "affected",
"version": "2526ff21aa77c205f72e8263335f20b7d7e636fc",
"versionType": "git"
},
{
"lessThan": "137e4710da626290495b174e2eb1d5e889a4b165",
"status": "affected",
"version": "2526ff21aa77c205f72e8263335f20b7d7e636fc",
"versionType": "git"
},
{
"lessThan": "d3ac5b35ec85c41ccf8ec524d47b520e72edaca1",
"status": "affected",
"version": "2526ff21aa77c205f72e8263335f20b7d7e636fc",
"versionType": "git"
},
{
"lessThan": "00ebbf030d8c4a1cb89cbbae15e28332373649db",
"status": "affected",
"version": "2526ff21aa77c205f72e8263335f20b7d7e636fc",
"versionType": "git"
},
{
"lessThan": "bd4fac033bb95fcad898cf6734e869991b2561cb",
"status": "affected",
"version": "2526ff21aa77c205f72e8263335f20b7d7e636fc",
"versionType": "git"
},
{
"lessThan": "7cb34f6c4fe8a68af621d870abe63bfca2275dd6",
"status": "affected",
"version": "2526ff21aa77c205f72e8263335f20b7d7e636fc",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.13"
},
{
"lessThan": "4.13",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.265",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.216",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.183",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.148",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.101",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.42",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"version": "7.1.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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": "CVE-2026-68304",
"lastModified": "2026-08-19T17:20:41.617",
"metrics": {},
"published": "2026-08-10T13:20:20.060",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/00ebbf030d8c4a1cb89cbbae15e28332373649db"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/137e4710da626290495b174e2eb1d5e889a4b165"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/47989a233df369c2c2263ab0a5cbd8c8dad253a5"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/bd4fac033bb95fcad898cf6734e869991b2561cb"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/d0395840e3266397de94ecd3c91e1c188c7667c6"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/d3ac5b35ec85c41ccf8ec524d47b520e72edaca1"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Received"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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