{"id":"CVE-2026-90369","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: fix out-of-bounds access in mmio copy helpers\n\nmt76_mmio_write_copy() and mt76_mmio_read_copy() iterate up to\nALIGN(len, 4), so a length that is not a multi…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: fix out-of-bounds access in mmio copy helpers\n\nmt76_mmio_write_copy() and mt76_mmio_read_copy() iterate up to\nALIGN(len, 4), so a length that is not a multi…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 2df00805f7dbaa46b60c682aad0d76270b7ba266 < 6ed0fba58bb125a8d8de96e391aa86111166efca","Linux >= 2df00805f7dbaa46b60c682aad0d76270b7ba266 < 6689b4a65e88d7b019e687fa9d6943ca070f3e43","Linux 6.19"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:36.030","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90369","references":[{"url":"https://git.kernel.org/stable/c/6689b4a65e88d7b019e687fa9d6943ca070f3e43","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6ed0fba58bb125a8d8de96e391aa86111166efca","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.809Z","epss":0.00198,"epssPercentile":0.08467,"slug":"CVE-2026-90369","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: fix out-of-bounds access in mmio copy helpers\n\nmt76_mmio_write_copy() and mt76_mmio_read_copy() iterate up to\nALIGN(len, 4), so a length that is not a multiple of four reads past the\nsource buffer (write_copy) or writes past the destination (read_copy).\nCopy the aligned body in the loop and handle the remaining tail through a\n4-byte bounce buffer, keeping the register access width unchanged.\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":[]}