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CVE-2026-23246

wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration link_id is taken from the ML Reconfiguration element (control & 0x000f), so it can be 0..15. link_removal_timeout[] has IEEE80211_MLD_MAX_NUM_LINKS (15) elements, so index 15 is out-of-bounds. Skip subelements with link_id >= IEEE80211_MLD_MAX_NUM_LINKS to avoid a stack out-of-bounds write.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c before 650981e718e68005ca2760a6358134b8a98ebea4; affected 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c before bfde158d5d1322c0c2df398a8d1ccce04943be2e; affected 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c before f35ceec54d48e227fa46f8f97fd100a77b8eab15; affected 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c before d58d71c2167601762351962b9604808d3be94400; affected 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c before 162d331d833dc73a3e905a24c44dd33732af1fc5
Linux / Linuxaffected 6.5; unaffected 0 before 6.5; unaffected 6.6.130 through 6.6.*; unaffected 6.12.77 through 6.12.*; unaffected 6.18.17 through 6.18.*; unaffected 6.19.7 through 6.19.*; unaffected 7.0 through *

CWE

No CWE identifiers supplied.

References