CVE-2026-98822
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: prevent AP VLAN tx from other interfaces Since the station lookup was factored out of ieee80211_build_hdr(), ie…
Overview
CVE-2026-98822 is a known-severity vulnerability. It was published on October 18, 2026.
Technical description
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: prevent AP VLAN tx from other interfaces
Since the station lookup was factored out of ieee80211_build_hdr(),
ieee80211_lookup_ra_sta() uses sta_info_get_bss() for all AP and AP VLAN
frames, not only for control port frames. A unicast frame sent on one
interface thus matches a station of a different VLAN of the same BSS and
is transmitted to it.
Only match stations of the interface the frame is sent on, except for
control port frames, since those may be sent for VLAN stations directly
on the BSS interface.
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
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Frequently asked questions
What is CVE-2026-98822?
CVE-2026-98822 is a known-severity vulnerability. It was published on October 18, 2026.
How severe is CVE-2026-98822?
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-2026-98822?
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-2026-98822?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-98822 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.