{"id":"CVE-2026-98889","title":"wifi: iwlwifi: mvm: fix sched scan IE sizing","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: fix sched scan IE sizing\n\nScheduled scan built the probe request before iwl_mvm_scan_fits(),\nso oversized IEs could be copied into the fixed preq bu…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= eae94cf82d7456b57fa9fd55c1edb8a726dcc19c < f2268060e99f94314b9988dfa17393c2694fa9b2","Linux >= eae94cf82d7456b57fa9fd55c1edb8a726dcc19c < 358eca9a898ad4cce7453e9dcfd005d019a2b01f","Linux >= eae94cf82d7456b57fa9fd55c1edb8a726dcc19c < 05f79cea3b15cfe600b205ddcfd51ebee15d908a","Linux >= eae94cf82d7456b57fa9fd55c1edb8a726dcc19c < a24417478f90e9f1a4ea24cd4b784afccb56fbae","Linux >= eae94cf82d7456b57fa9fd55c1edb8a726dcc19c < 0a63f98e5163a2ec2822dfb691ee5a6094de08ec","Linux >= eae94cf82d7456b57fa9fd55c1edb8a726dcc19c < 4f155d262b31b9b17e0f9856bdabe0968eb4930f","Linux 5.11"],"published":"2026-10-23","updated":"2026-10-26","sourceUpdated":"2026-10-26T06:56:14.362Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98889","references":[{"url":"https://git.kernel.org/stable/c/f2268060e99f94314b9988dfa17393c2694fa9b2"},{"url":"https://git.kernel.org/stable/c/358eca9a898ad4cce7453e9dcfd005d019a2b01f"},{"url":"https://git.kernel.org/stable/c/05f79cea3b15cfe600b205ddcfd51ebee15d908a"},{"url":"https://git.kernel.org/stable/c/a24417478f90e9f1a4ea24cd4b784afccb56fbae"},{"url":"https://git.kernel.org/stable/c/0a63f98e5163a2ec2822dfb691ee5a6094de08ec"},{"url":"https://git.kernel.org/stable/c/4f155d262b31b9b17e0f9856bdabe0968eb4930f"}],"tags":["cve.org"],"epss":0.00169,"epssPercentile":0.06286,"ingestedAt":"2026-10-23T13:24:55.578Z","slug":"CVE-2026-98889","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: fix sched scan IE sizing\n\nScheduled scan built the probe request before iwl_mvm_scan_fits(),\nso oversized IEs could be copied into the fixed preq buffer before\nlength validation. Move iwl_mvm_build_scan_probe() after the fits\ncheck.\n\nAlso advertise max_sched_scan_ie_len using iwl_mvm_max_scan_ie_len()\nso userspace limits account for driver-inserted DS/TPC bytes.\n\n## Affected\n\n- `Linux >= eae94cf82d7456b57fa9fd55c1edb8a726dcc19c < f2268060e99f94314b9988dfa17393c2694fa9b2`\n- `Linux >= eae94cf82d7456b57fa9fd55c1edb8a726dcc19c < 358eca9a898ad4cce7453e9dcfd005d019a2b01f`\n- `Linux >= eae94cf82d7456b57fa9fd55c1edb8a726dcc19c < 05f79cea3b15cfe600b205ddcfd51ebee15d908a`\n- `Linux >= eae94cf82d7456b57fa9fd55c1edb8a726dcc19c < a24417478f90e9f1a4ea24cd4b784afccb56fbae`\n- `Linux >= eae94cf82d7456b57fa9fd55c1edb8a726dcc19c < 0a63f98e5163a2ec2822dfb691ee5a6094de08ec`\n- `Linux >= eae94cf82d7456b57fa9fd55c1edb8a726dcc19c < 4f155d262b31b9b17e0f9856bdabe0968eb4930f`\n- `Linux 5.11`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":228914,"id":"CVE-2026-98889","ts":1792854108121,"field":"cvss","old":null,"new":"7.8"},{"seq":228913,"id":"CVE-2026-98889","ts":1792854108121,"field":"severity","old":"none","new":"high"}]}