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CVE-2026-98889

wifi: iwlwifi: mvm: fix sched scan IE sizing PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before f2268060e99f94314b9988dfa17393c2694fa9b2; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 358eca9a898ad4cce7453e9dcfd005d019a2b01f; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 05f79cea3b15cfe600b205ddcfd51ebee15d908a; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before a24417478f90e9f1a4ea24cd4b784afccb56fbae; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 0a63f98e5163a2ec2822dfb691ee5a6094de08ec; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 4f155d262b31b9b17e0f9856bdabe0968eb4930f; affected 0 before 5.15.222; affected 0 before 6.1.189; affected 0 before 6.6.158; affected 0 before 6.12.111; affected 0 before 6.18.53
Linux / Linuxunaffected 5.15.222 through 5.15.*; unaffected 6.1.189 through 6.1.*; unaffected 6.6.158 through 6.6.*; unaffected 6.12.111 through 6.12.*; unaffected 6.18.53 through 6.18.*; unaffected 7.2 through *

CWE

No CWE identifiers supplied.

References