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CVE-2026-68304

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_PR…

Published Aug 10, 2026EPSS 0.22%

Overview

CVE-2026-68304 is a known-severity vulnerability. It was published on August 10, 2026.

Technical 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_send

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/00ebbf030d8c4a1cb89cbbae15e28332373649dbRefgit.kernel.org/stable/c/137e4710da626290495b174e2eb1d5e889a4b165Refgit.kernel.org/stable/c/47989a233df369c2c2263ab0a5cbd8c8dad253a5Refgit.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6Refgit.kernel.org/stable/c/bd4fac033bb95fcad898cf6734e869991b2561cbRefgit.kernel.org/stable/c/d0395840e3266397de94ecd3c91e1c188c7667c6Refgit.kernel.org/stable/c/d3ac5b35ec85c41ccf8ec524d47b520e72edaca1Refgit.kernel.org/stable/c/fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252

How CyberStrike helps

Frequently asked questions

What is CVE-2026-68304?

CVE-2026-68304 is a known-severity vulnerability. It was published on August 10, 2026.

How severe is CVE-2026-68304?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-68304?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-68304?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-68304 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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