{"id":"CVE-2026-63832","revision":"bbf3ee161ee744a8be2de45b15127980","records":[{"revision":"bbf3ee161ee744a8be2de45b15127980","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-63832","aliases":[],"title":"wifi: mt76: add wcid publish check in mt76_sta_add","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: add wcid publish check in mt76_sta_add\n\nSince mt7925_mac_sta_add publishes wcid, add publish check in mt76_sta_add\nto avoid reinitializing the wcid->poll_list.\n\nFound dev->sta_poll_list corruption when using mt7925 and 7.1-rc4.\nAccording to the corruption information, prev->next was changed to itself.\n\nwlan0: disconnect from AP 90:fb:5d:94:8b:e3 for new auth to 90:fb:5d:94:8b:e2\nwlan0: authenticate with 90:fb:5d:94:8b:e2 (local address=84:9e:56:9c:7e:6b)\nwlan0: send auth to 90:fb:5d:94:8b:e2 (try 1/3)\n slab kmalloc-8k start ffff8c80958a6000 pointer offset 4160 size 8192\nlist_add corruption. prev->next should be next (ffff8c808a7488f8), but was ffff8c80958a7040. (prev=ffff8c80958a7040).\n\n mt76_wcid_add_poll+0x95/0xd0 [mt76]\n mt7925_mac_add_txs.part.0+0xa5/0xe0 [mt7925_common]\n mt7925_rx_check+0xa7/0xc0 [mt7925_common]\n mt76_dma_rx_poll+0x50d/0x790 [mt76]\n mt792x_poll_rx+0x52/0xe0 [mt792x_lib]","state":0,"publishedAt":"2026-07-19T12:02:24.908+00:00","modifiedAt":"2026-10-21T12:42:39.285+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/mac80211.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c9389e3f9453ec2d710e61830eafedddfd561226\",\n                            \"lessThan\": \"720f39a9c60fdb604291c630f4f157753b376d68\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4911e4cb157cf87d5bdb3fa8e0c200032443371e\",\n                            \"lessThan\": \"3c499851753a24d2e148d4e9ca51764c0c51554e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4911e4cb157cf87d5bdb3fa8e0c200032443371e\",\n                            \"lessThan\": \"55e014aaec650ede08b693ba59c8d0443f13f11c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4911e4cb157cf87d5bdb3fa8e0c200032443371e\",\n                            \"lessThan\": \"20b126920a259df4d7dcae19fcfe2c57a74d6b2e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"57d3f833087942ded1a8765b1b361454d3d39e8f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6.12.13\",\n                            \"lessThan\": \"6.12.114\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.13.2\",\n                            \"lessThan\": \"6.14\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\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/mac80211.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.114\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.38\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.3\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\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/720f39a9c60fdb604291c630f4f157753b376d68","https://git.kernel.org/stable/c/3c499851753a24d2e148d4e9ca51764c0c51554e","https://git.kernel.org/stable/c/55e014aaec650ede08b693ba59c8d0443f13f11c","https://git.kernel.org/stable/c/20b126920a259df4d7dcae19fcfe2c57a74d6b2e"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-63832","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-63832","identifiers":["CVE-2026-63832"]},"retained":false,"historicalAffected":[]}],"coverage":[]}