{"id":"CVE-2026-90380","revision":"4d2533ba724647539fef4053a114f089","records":[{"revision":"4d2533ba724647539fef4053a114f089","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90380","aliases":[],"title":"wifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete\n\nA use-after-free issue occurs in mt76_rx_poll_complete due to a race\ncondition. The STA has already been removed, but the rx_status still\nhad a pointer to the wcid in the STA.\n\nSet the links' wcid pointers to be NULL for a MLD in\nmt7925_sta_pre_rcu_remove()\n\nBUG: KASAN: invalid-access in mt76_rx_poll_complete+0x280/0x470\nCall trace:\ndump_backtrace+0xec/0x128\nshow_stack+0x18/0x28\ndump_stack_lvl+0x40/0xc8\nprint_report+0x1b8/0x710\nkasan_report+0xe0/0x144\ndo_bad_area+0x120/0x260\ndo_tag_check_fault+0x20/0x34\ndo_mem_abort+0x54/0xa8\nel1_abort+0x3c/0x5c\nel1h_64_sync_handler+0x40/0xcc\nel1h_64_sync+0x7c/0x80\nmt76_rx_poll_complete+0x280/0x470\nmt76_dma_rx_poll+0x114/0x51c\nmt792x_poll_rx+0x60/0xf8\nnapi_threaded_poll_loop+0xe0/0x450\nnapi_threaded_poll+0x80/0x9c\nkthread+0x11c/0x158\nret_from_fork+0x10/0x20","state":0,"publishedAt":"2026-09-17T16:09:17.948+00:00","modifiedAt":"2026-10-19T09:02:39.607+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/mt7925/main.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c948b5da6bbec742b433138e3e3f9537a85af2e5\",\n                            \"lessThan\": \"aaf414bf81ab4b680580871784b0b929818188eb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c948b5da6bbec742b433138e3e3f9537a85af2e5\",\n                            \"lessThan\": \"2aa3d3b9fac9163e9226e35556607ae3f75be21e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c948b5da6bbec742b433138e3e3f9537a85af2e5\",\n                            \"lessThan\": \"b250943f3f8351385a17972bda001664a5c51008\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c948b5da6bbec742b433138e3e3f9537a85af2e5\",\n                            \"lessThan\": \"217f9e7bb02558759be9d9ecfe532e9708741c50\",\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/mt7925/main.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.7\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.57\",\n                            \"lessThanOrEqual\": \"6.18.*\",\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":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/aaf414bf81ab4b680580871784b0b929818188eb","https://git.kernel.org/stable/c/2aa3d3b9fac9163e9226e35556607ae3f75be21e","https://git.kernel.org/stable/c/b250943f3f8351385a17972bda001664a5c51008","https://git.kernel.org/stable/c/217f9e7bb02558759be9d9ecfe532e9708741c50"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90380","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90380","identifiers":["CVE-2026-90380"]},"retained":false,"historicalAffected":[]}],"coverage":[]}