wifi: brcmfmac: fix 802.1X-SHA256 call trace warning

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-68304
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-10 13:20:20 UTC
Updated2026-08-19 17:20:41 UTC
DescriptionIn 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

Risk And Classification

EPSS: 0.002000000 probability, percentile 0.101830000 (date 2026-08-19)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 2526ff21aa77c205f72e8263335f20b7d7e636fc fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252 git Not specified
CNA Linux Linux affected 2526ff21aa77c205f72e8263335f20b7d7e636fc 47989a233df369c2c2263ab0a5cbd8c8dad253a5 git Not specified
CNA Linux Linux affected 2526ff21aa77c205f72e8263335f20b7d7e636fc d0395840e3266397de94ecd3c91e1c188c7667c6 git Not specified
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 5.10.265 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.216 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.183 6.1.* 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 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d0395840e3266397de94ecd3c91e1c188c7667c6 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/47989a233df369c2c2263ab0a5cbd8c8dad253a5 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
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