{"id":"CVE-2026-93790","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif\n\nmvmsta->tid_data was indexed by the TFD loop counter 'i' instead of\nthe actual TID value 'tid'","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif\n\nmvmsta->tid_data was indexed by the TFD loop counter 'i' instead of\nthe actual TID value 'tid'. This …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c48b741277b01b2c3b4ecccedc72fc575b71dc04","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e8ac5e91b1296f65c3d119fac3fa917ff458f811","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 94d3982806c7f194b23484befde12934dda23064","Linux < 6.12.111","Linux < 6.18.53","Linux (all versions)"],"published":"2026-09-24","updated":"2026-09-24","sourceUpdated":"2026-09-24T17:17:11.710","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93790","references":[{"url":"https://git.kernel.org/stable/c/94d3982806c7f194b23484befde12934dda23064","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c48b741277b01b2c3b4ecccedc72fc575b71dc04","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e8ac5e91b1296f65c3d119fac3fa917ff458f811","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-24T16:47:15.902Z","slug":"CVE-2026-93790","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif\n\nmvmsta->tid_data was indexed by the TFD loop counter 'i' instead of\nthe actual TID value 'tid'. This writes lq_color into a random tid_data\nslot unrelated to the BA entry.\nSince multi-TID blockack is not really in use, 'i' was always 0 and no\nharm was done.\nAdd a out-of-bound check before accessing the array.\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":[]}