{"id":"CVE-2026-23246","summary":"wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration","details":"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 & 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.","modified":"2026-06-04T09:14:18.838744667Z","published":"2026-03-18T10:05:08.312Z","related":["SUSE-SU-2026:21841-1","SUSE-SU-2026:21845-1","SUSE-SU-2026:21860-1","SUSE-SU-2026:21876-1","SUSE-SU-2026:21877-1","SUSE-SU-2026:21916-1","SUSE-SU-2026:21919-1","SUSE-SU-2026:2217-1","SUSE-SU-2026:2238-1","openSUSE-SU-2026:20826-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23246.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/162d331d833dc73a3e905a24c44dd33732af1fc5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/650981e718e68005ca2760a6358134b8a98ebea4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bfde158d5d1322c0c2df398a8d1ccce04943be2e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d58d71c2167601762351962b9604808d3be94400"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f35ceec54d48e227fa46f8f97fd100a77b8eab15"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23246.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23246"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c"},{"fixed":"650981e718e68005ca2760a6358134b8a98ebea4"},{"fixed":"bfde158d5d1322c0c2df398a8d1ccce04943be2e"},{"fixed":"f35ceec54d48e227fa46f8f97fd100a77b8eab15"},{"fixed":"d58d71c2167601762351962b9604808d3be94400"},{"fixed":"162d331d833dc73a3e905a24c44dd33732af1fc5"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-23246.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.5.0"},{"fixed":"6.6.130"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.77"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.17"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-23246.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}