{"id":"CVE-2026-90369","revision":"e5bc3470e4d147ad9f94c369c5919f3a","records":[{"revision":"e5bc3470e4d147ad9f94c369c5919f3a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90369","aliases":[],"title":"wifi: mt76: fix out-of-bounds access in mmio copy helpers","description":"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 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.","state":0,"publishedAt":"2026-09-17T16:09:10.738+00:00","modifiedAt":"2026-10-19T09:02:28.27+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/wireless/mediatek/mt76/mmio.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2df00805f7dbaa46b60c682aad0d76270b7ba266\",\n                            \"lessThan\": \"6ed0fba58bb125a8d8de96e391aa86111166efca\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2df00805f7dbaa46b60c682aad0d76270b7ba266\",\n                            \"lessThan\": \"6689b4a65e88d7b019e687fa9d6943ca070f3e43\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/wireless/mediatek/mt76/mmio.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.19\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.19\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/6ed0fba58bb125a8d8de96e391aa86111166efca","https://git.kernel.org/stable/c/6689b4a65e88d7b019e687fa9d6943ca070f3e43"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90369","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90369","identifiers":["CVE-2026-90369"]},"retained":false,"historicalAffected":[]}],"coverage":[]}