{"api_version":"1","generated_at":"2026-04-23T09:39:58+00:00","cve":"CVE-2026-23246","urls":{"html":"https://cve.report/CVE-2026-23246","api":"https://cve.report/api/cve/CVE-2026-23246.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23246","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23246"},"summary":{"title":"wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration","description":"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 >= IEEE80211_MLD_MAX_NUM_LINKS to avoid a stack out-of-bounds\nwrite.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-03-18 11:16:16","updated_at":"2026-04-02 15:16:26"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/d58d71c2167601762351962b9604808d3be94400","name":"https://git.kernel.org/stable/c/d58d71c2167601762351962b9604808d3be94400","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/650981e718e68005ca2760a6358134b8a98ebea4","name":"https://git.kernel.org/stable/c/650981e718e68005ca2760a6358134b8a98ebea4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bfde158d5d1322c0c2df398a8d1ccce04943be2e","name":"https://git.kernel.org/stable/c/bfde158d5d1322c0c2df398a8d1ccce04943be2e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/162d331d833dc73a3e905a24c44dd33732af1fc5","name":"https://git.kernel.org/stable/c/162d331d833dc73a3e905a24c44dd33732af1fc5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f35ceec54d48e227fa46f8f97fd100a77b8eab15","name":"https://git.kernel.org/stable/c/f35ceec54d48e227fa46f8f97fd100a77b8eab15","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23246","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23246","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c 650981e718e68005ca2760a6358134b8a98ebea4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c bfde158d5d1322c0c2df398a8d1ccce04943be2e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c f35ceec54d48e227fa46f8f97fd100a77b8eab15 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c d58d71c2167601762351962b9604808d3be94400 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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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 >= IEEE80211_MLD_MAX_NUM_LINKS to avoid a stack out-of-bounds\nwrite."}],"metrics":[{"cvssV3_1":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-04-02T14:43:58.848Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/650981e718e68005ca2760a6358134b8a98ebea4"},{"url":"https://git.kernel.org/stable/c/bfde158d5d1322c0c2df398a8d1ccce04943be2e"},{"url":"https://git.kernel.org/stable/c/f35ceec54d48e227fa46f8f97fd100a77b8eab15"},{"url":"https://git.kernel.org/stable/c/d58d71c2167601762351962b9604808d3be94400"},{"url":"https://git.kernel.org/stable/c/162d331d833dc73a3e905a24c44dd33732af1fc5"}],"title":"wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23246","datePublished":"2026-03-18T10:05:08.312Z","dateReserved":"2026-01-13T15:37:45.989Z","dateUpdated":"2026-04-02T14:43:58.848Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-18 11:16:16","lastModifiedDate":"2026-04-02 15:16:26","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23246","Ordinal":"1","Title":"wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfigura","CVE":"CVE-2026-23246","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23246","Ordinal":"1","NoteData":"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 >= IEEE80211_MLD_MAX_NUM_LINKS to avoid a stack out-of-bounds\nwrite.","Type":"Description","Title":"wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfigura"}]}}}