Strix
69.2K

CVE-2026-98421

Unknown

Last modified

CVE-2026-98421 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: require a peer station for TDLS setup confirm It's nonsense for the setup confirm to go to station that doesn't even exist, and it hits a warning when building the frame: WARN_ON_ONCE(!sta || !ap_sta) Only accept WLAN_TDLS_SETUP_CONFIRM when the station is already there as a TDLS station. Need to copy the call to ieee80211_tdls_prep_mgmt_packet() since the existing WLAN_TDLS_DISCOVERY_REQUEST already falls through to it..

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: require a peer station for TDLS setup confirm It's nonsense for the setup confirm to go to station that doesn't even exist, and it hits a warning when building the frame: WARN_ON_ONCE(!sta || !ap_sta) Only accept WLAN_TDLS_SETUP_CONFIRM when the station is already there as a TDLS station. Need to copy the call to ieee80211_tdls_prep_mgmt_packet() since the existing WLAN_TDLS_DISCOVERY_REQUEST already falls through to it.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 6f7eaa47e1de30159277f91f1145a6687f13ffd9, < 6bae6ef511a29ef12ab969adeea691067d4d5d74; >= 6f7eaa47e1de30159277f91f1145a6687f13ffd9, < d0afa5395c46d73ad2090aa50209886e84f179bd; >= 6f7eaa47e1de30159277f91f1145a6687f13ffd9, < 742c762bee59c973684f70dfed7de4945d3141e2; >= 6f7eaa47e1de30159277f91f1145a6687f13ffd9, < fce36d242a18ddf64731d816a37564103172da11; >= 6f7eaa47e1de30159277f91f1145a6687f13ffd9, < 1c0a5c96473b9e7a5f4c453ef6a13dc0f5589a4b; >= 6f7eaa47e1de30159277f91f1145a6687f13ffd9, < 038e1d126304fd25d507fd4e671232df57bd1799
LinuxLinux3.17

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-98421?
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: require a peer station for TDLS setup confirm It's nonsense for the setup confirm to go to station that doesn't even exist, and it hits a warning when building the frame: WARN_ON_ONCE(!sta || !ap_sta) Only accept WLAN_TDLS_SETUP_CONFIRM when the station is already there as a TDLS station. Need to copy the call to ieee80211_tdls_prep_mgmt_packet() since the existing WLAN_TDLS_DISCOVERY_REQUEST already falls through to it.
How severe is CVE-2026-98421?
Severity scoring for CVE-2026-98421 is pending analysis.
How do I fix CVE-2026-98421?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

View all 2026CVEs →

Are you affected by CVE-2026-98421?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST