{"id":"CVE-2026-93806","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: validate assoc response length before status and IE access\n\ncfg80211_rx_assoc_resp() initialises the status and response-IE fields\nof cfg80211_connect_r…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: validate assoc response length before status and IE access\n\ncfg80211_rx_assoc_resp() initialises the status and response-IE fields\nof cfg80211_connect_r…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a57310600c1e2b9ada0f37c96e8f48aef47d3093","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 78ac450ad4624d6b2999cb4eeb28916767f81247","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b760113aeca2e9362d56bf9e9263373ffe6c8eb3","Linux < 6.12.111","Linux < 6.18.53","Linux (all versions)"],"published":"2026-09-24","updated":"2026-09-24","sourceUpdated":"2026-09-24T17:17:13.570","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93806","references":[{"url":"https://git.kernel.org/stable/c/78ac450ad4624d6b2999cb4eeb28916767f81247","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a57310600c1e2b9ada0f37c96e8f48aef47d3093","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b760113aeca2e9362d56bf9e9263373ffe6c8eb3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-24T16:47:15.900Z","slug":"CVE-2026-93806","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: validate assoc response length before status and IE access\n\ncfg80211_rx_assoc_resp() initialises the status and response-IE fields\nof cfg80211_connect_resp_params from the management frame before\nproving that the frame is long enough for those offsets. S1G and\nregular association responses also have different IE offsets, but the\nS1G path only patched resp_ie after the unsafe initialiser had already\nrun.\n\nDefer resp_ie, resp_ie_len, and status to after the link-iteration\nloop. Use a bool to remember whether the frame is S1G, then validate\nthe appropriate minimum length and set all three fields in a single\nif/else block. Funnel short-frame and SME-reject cleanup through a\nshared free_bss label for the abandon paths.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}