{"id":46088,"date":"2026-04-12T05:13:22","date_gmt":"2026-04-12T05:13:22","guid":{"rendered":"http:\/\/localhost\/?p=46088"},"modified":"2026-04-12T05:13:22","modified_gmt":"2026-04-12T05:13:22","slug":"wifi-mac80211-bounds-check-linkid-in-ieee80211mlreconfiguration","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=46088","title":{"rendered":"wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration_CVE-2026-23246"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration\\n\\nlink_id is taken from the ML Reconfiguration element (control \\u0026 0x000f),\\nso it can be 0..15. link_removal_timeout[] has IEEE80211_MLD_MAX_NUM_LINKS\\n(15) elements, so index 15 is out-of-bounds. Skip subelements with\\nlink_id \\u003e= IEEE80211_MLD_MAX_NUM_LINKS to avoid a stack out-of-bounds\\nwrite.&#8221;,&#8221;published&#8221;:&#8221;2026-03-18T10:05:08.312Z&#8221;,&#8221;modified&#8221;:&#8221;2026-04-02T14:43:58.848Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration&#8221;,&#8221;source&#8221;:&#8221;Linux&#8221;,&#8221;references&#8221;:&#8221;https:\/\/git.kernel.org\/stable\/c\/650981e718e68005ca2760a6358134b8a98ebea4\\nhttps:\/\/git.kernel.org\/stable\/c\/bfde158d5d1322c0c2df398a8d1ccce04943be2e\\nhttps:\/\/git.kernel.org\/stable\/c\/f35ceec54d48e227fa46f8f97fd100a77b8eab15\\nhttps:\/\/git.kernel.org\/stable\/c\/d58d71c2167601762351962b9604808d3be94400\\nhttps:\/\/git.kernel.org\/stable\/c\/162d331d833dc73a3e905a24c44dd33732af1fc5&#8243;,&#8221;id&#8221;:&#8221;CVE-2026-23246&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:null,&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;Linux Linux 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c\\nLinux Linux 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c\\nLinux Linux 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c\\nLinux Linux 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c\\nLinux Linux 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c\\nLinux Linux 6.5&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:8.8,&#8221;severity&#8221;:&#8221;HIGH&#8221;,&#8221;vector&#8221;:&#8221;CVSS:3.1\/AV:A\/AC:L\/PR:N\/UI:N\/S:U\/C:H\/I:H\/A:H&#8221;,&#8221;version&#8221;:&#8221;3.1&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;Linux&#8221;,&#8221;version&#8221;:&#8221;8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c&#8221;,&#8221;vendor&#8221;:&#8221;Linux&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration\\n\\nlink_id is taken from the ML Reconfiguration element (control \\u0026 0x000f),\\nso&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,41,12,15,13,7,11,5],"class_list":["post-46088","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-88","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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