CVE-2026-98889high

CVE-2026-98889: high-severity vulnerability in Linux

wifi: iwlwifi: mvm: fix sched scan IE sizing

Published · Updated

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.8epss 0.2%
exploitation probability
0.2%top 89% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix sched scan IE sizing Scheduled scan built the probe request before iwl_mvm_scan_fits(), so oversized IEs could be copied into the fixed preq buffer before length validation. Move iwl_mvm_build_scan_probe() after the fits check. Also advertise max_sched_scan_ie_len using iwl_mvm_max_scan_ie_len() so userspace limits account for driver-inserted DS/TPC bytes.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · Linux
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References
https://git.kernel.org/stable/c/05f79cea3b15cfe600b205ddcfd51ebee15d908ahttps://git.kernel.org/stable/c/0a63f98e5163a2ec2822dfb691ee5a6094de08echttps://git.kernel.org/stable/c/358eca9a898ad4cce7453e9dcfd005d019a2b01fhttps://git.kernel.org/stable/c/4f155d262b31b9b17e0f9856bdabe0968eb4930fhttps://git.kernel.org/stable/c/a24417478f90e9f1a4ea24cd4b784afccb56fbaehttps://git.kernel.org/stable/c/f2268060e99f94314b9988dfa17393c2694fa9b2