Skip to content
CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-68304

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

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
Linux

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

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 2526ff21aa77c205f72e8263335f20b7d7e636fc to < fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252affected
  • 2526ff21aa77c205f72e8263335f20b7d7e636fc to < 47989a233df369c2c2263ab0a5cbd8c8dad253a5affected
  • 2526ff21aa77c205f72e8263335f20b7d7e636fc to < d0395840e3266397de94ecd3c91e1c188c7667c6affected
  • 2526ff21aa77c205f72e8263335f20b7d7e636fc to < 137e4710da626290495b174e2eb1d5e889a4b165affected
  • 2526ff21aa77c205f72e8263335f20b7d7e636fc to < d3ac5b35ec85c41ccf8ec524d47b520e72edaca1affected
  • 2526ff21aa77c205f72e8263335f20b7d7e636fc to < 00ebbf030d8c4a1cb89cbbae15e28332373649dbaffected
  • 2526ff21aa77c205f72e8263335f20b7d7e636fc to < bd4fac033bb95fcad898cf6734e869991b2561cbaffected
  • 2526ff21aa77c205f72e8263335f20b7d7e636fc to < 7cb34f6c4fe8a68af621d870abe63bfca2275dd6affected

Linux Linux

Default version status: affected

  • 4.13affected
  • 0 to < 4.13unaffected
  • 5.10.265 to ≤ 5.10.*unaffected
  • 5.15.216 to ≤ 5.15.*unaffected
  • 6.1.183 to ≤ 6.1.*unaffected
  • 6.6.148 to ≤ 6.6.*unaffected
  • 6.12.101 to ≤ 6.12.*unaffected
  • 6.18.42 to ≤ 6.18.*unaffected
  • 7.1.6 to ≤ 7.1.*unaffected
  • 7.2 to ≤ *unaffected

References