CVE-2026-68304
wifi: brcmfmac: fix 802.1X-SHA256 call trace warning
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
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Linux Linux |
≥ 2526ff21aa77c205f72e8263335f20b7d7e636fc; < fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252 (affected, git) ≥ 2526ff21aa77c205f72e8263335f20b7d7e636fc; < 47989a233df369c2c2263ab0a5cbd8c8dad253a5 (affected, git) ≥ 2526ff21aa77c205f72e8263335f20b7d7e636fc; < d0395840e3266397de94ecd3c91e1c188c7667c6 (affected, git) ≥ 2526ff21aa77c205f72e8263335f20b7d7e636fc; < 137e4710da626290495b174e2eb1d5e889a4b165 (affected, git) ≥ 2526ff21aa77c205f72e8263335f20b7d7e636fc; < d3ac5b35ec85c41ccf8ec524d47b520e72edaca1 (affected, git) ≥ 2526ff21aa77c205f72e8263335f20b7d7e636fc; < 00ebbf030d8c4a1cb89cbbae15e28332373649db (affected, git) ≥ 2526ff21aa77c205f72e8263335f20b7d7e636fc; < bd4fac033bb95fcad898cf6734e869991b2561cb (affected, git) ≥ 2526ff21aa77c205f72e8263335f20b7d7e636fc; < 7cb34f6c4fe8a68af621d870abe63bfca2275dd6 (affected, git) Other versions: unaffected |
CNA: Linux |
| Linux Linux |
4.13 (affected) ≥ 0; < 4.13 (unaffected, semver) ≥ 5.10.265; ≤ 5.10.* (unaffected, semver) ≥ 5.15.216; ≤ 5.15.* (unaffected, semver) ≥ 6.1.183; ≤ 6.1.* (unaffected, semver) ≥ 6.6.148; ≤ 6.6.* (unaffected, semver) ≥ 6.12.101; ≤ 6.12.* (unaffected, semver) ≥ 6.18.42; ≤ 6.18.* (unaffected, semver) ≥ 7.1.6; ≤ 7.1.* (unaffected, semver) ≥ 7.2; ≤ * (unaffected, original_commit_for_fix) Other versions: affected |
CNA: Linux |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
No CVSS assessment reported. An unscored record is not a low-severity determination.
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://git.kernel.org/stable/c/fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252CNA: Linux
- https://git.kernel.org/stable/c/47989a233df369c2c2263ab0a5cbd8c8dad253a5CNA: Linux
- https://git.kernel.org/stable/c/d0395840e3266397de94ecd3c91e1c188c7667c6CNA: Linux
- https://git.kernel.org/stable/c/137e4710da626290495b174e2eb1d5e889a4b165CNA: Linux
- https://git.kernel.org/stable/c/d3ac5b35ec85c41ccf8ec524d47b520e72edaca1CNA: Linux
- https://git.kernel.org/stable/c/00ebbf030d8c4a1cb89cbbae15e28332373649dbCNA: Linux
- https://git.kernel.org/stable/c/bd4fac033bb95fcad898cf6734e869991b2561cbCNA: Linux
- https://git.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6CNA: Linux
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