{"api_version":"1","generated_at":"2026-10-24T01:42:39+00:00","cve":"CVE-2026-99060","urls":{"html":"https://cve.report/CVE-2026-99060","api":"https://cve.report/api/cve/CVE-2026-99060.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-99060","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-99060"},"summary":{"title":"wifi: mt76: mt7603: initialize global station WCID","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7603: initialize global station WCID\n\nmt7603 uses a driver-private global station WCID for frames that have\nneither a station nor a vif, including frames injected through a monitor\ninterface. Unlike the core global WCID initialized by\nmt76_register_device(), this WCID is published without ever being passed\nto mt76_wcid_init().\n\nSince commit 0335c034e726 (\"wifi: mt76: fix race condition related to\nchecking tx queue fill status\"), mt76_tx() queues every such frame on the\nWCID's tx_pending or tx_offchannel queue and links its tx_list. The first\ninjected frame therefore reaches __skb_queue_tail() with an uninitialized\nsk_buff_head and dereferences a NULL prev pointer.\n\nInitialize the WCID before publishing it.\n\nThe fix was tested on an MT7603 PCIe device. Three wildcard probe requests\nwere injected through a monitor interface. The hardware queue head and tail\nadvanced from 0 to 3 and a second radio captured the third request over the\nair. No oops or reset occurred. After restoring AP mode, a 150 MB transfer\nalso completed without a reset.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-23 13:17:29","updated_at":"2026-10-23 13:17:29"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/19d6fa087dcf242223645828b8282d4040bad168","name":"https://git.kernel.org/stable/c/19d6fa087dcf242223645828b8282d4040bad168","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dd117d17e8aa2e89f857fb708e5b770709fb81cb","name":"https://git.kernel.org/stable/c/dd117d17e8aa2e89f857fb708e5b770709fb81cb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/99b8bd6323e6fc69615af828522878b7acb77bff","name":"https://git.kernel.org/stable/c/99b8bd6323e6fc69615af828522878b7acb77bff","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e454ec553996f21085657c96c8a605e2d89a81a6","name":"https://git.kernel.org/stable/c/e454ec553996f21085657c96c8a605e2d89a81a6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/456de496b53ae73e6e3020fec815dbdc88aa7c07","name":"https://git.kernel.org/stable/c/456de496b53ae73e6e3020fec815dbdc88aa7c07","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-99060","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-99060","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d2defcddfe90b3be0cfccc2482495ab1fb759586 99b8bd6323e6fc69615af828522878b7acb77bff git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0335c034e7265d36d956e806f33202c94a8a9860 e454ec553996f21085657c96c8a605e2d89a81a6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0335c034e7265d36d956e806f33202c94a8a9860 dd117d17e8aa2e89f857fb708e5b770709fb81cb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0335c034e7265d36d956e806f33202c94a8a9860 19d6fa087dcf242223645828b8282d4040bad168 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0335c034e7265d36d956e806f33202c94a8a9860 456de496b53ae73e6e3020fec815dbdc88aa7c07 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.48 6.6.160 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.7","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.7 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.160 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.113 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.57 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.11 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/mediatek/mt76/mt7603/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"99b8bd6323e6fc69615af828522878b7acb77bff","status":"affected","version":"d2defcddfe90b3be0cfccc2482495ab1fb759586","versionType":"git"},{"lessThan":"e454ec553996f21085657c96c8a605e2d89a81a6","status":"affected","version":"0335c034e7265d36d956e806f33202c94a8a9860","versionType":"git"},{"lessThan":"dd117d17e8aa2e89f857fb708e5b770709fb81cb","status":"affected","version":"0335c034e7265d36d956e806f33202c94a8a9860","versionType":"git"},{"lessThan":"19d6fa087dcf242223645828b8282d4040bad168","status":"affected","version":"0335c034e7265d36d956e806f33202c94a8a9860","versionType":"git"},{"lessThan":"456de496b53ae73e6e3020fec815dbdc88aa7c07","status":"affected","version":"0335c034e7265d36d956e806f33202c94a8a9860","versionType":"git"},{"lessThan":"6.6.160","status":"affected","version":"6.6.48","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/mediatek/mt76/mt7603/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.7"},{"lessThan":"6.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.160","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.113","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.57","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.160","versionStartIncluding":"6.6.48","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.113","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.57","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.11","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"6.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7603: initialize global station WCID\n\nmt7603 uses a driver-private global station WCID for frames that have\nneither a station nor a vif, including frames injected through a monitor\ninterface. Unlike the core global WCID initialized by\nmt76_register_device(), this WCID is published without ever being passed\nto mt76_wcid_init().\n\nSince commit 0335c034e726 (\"wifi: mt76: fix race condition related to\nchecking tx queue fill status\"), mt76_tx() queues every such frame on the\nWCID's tx_pending or tx_offchannel queue and links its tx_list. The first\ninjected frame therefore reaches __skb_queue_tail() with an uninitialized\nsk_buff_head and dereferences a NULL prev pointer.\n\nInitialize the WCID before publishing it.\n\nThe fix was tested on an MT7603 PCIe device. Three wildcard probe requests\nwere injected through a monitor interface. The hardware queue head and tail\nadvanced from 0 to 3 and a second radio captured the third request over the\nair. No oops or reset occurred. After restoring AP mode, a 150 MB transfer\nalso completed without a reset."}],"providerMetadata":{"dateUpdated":"2026-10-23T12:22:49.164Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/99b8bd6323e6fc69615af828522878b7acb77bff"},{"url":"https://git.kernel.org/stable/c/e454ec553996f21085657c96c8a605e2d89a81a6"},{"url":"https://git.kernel.org/stable/c/dd117d17e8aa2e89f857fb708e5b770709fb81cb"},{"url":"https://git.kernel.org/stable/c/19d6fa087dcf242223645828b8282d4040bad168"},{"url":"https://git.kernel.org/stable/c/456de496b53ae73e6e3020fec815dbdc88aa7c07"}],"title":"wifi: mt76: mt7603: initialize global station WCID","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-99060","datePublished":"2026-10-23T12:22:49.164Z","dateReserved":"2026-09-25T10:25:14.388Z","dateUpdated":"2026-10-23T12:22:49.164Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-23 13:17:29","lastModifiedDate":"2026-10-23 13:17:29","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"99060","Ordinal":"1","Title":"wifi: mt76: mt7603: initialize global station WCID","CVE":"CVE-2026-99060","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"99060","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7603: initialize global station WCID\n\nmt7603 uses a driver-private global station WCID for frames that have\nneither a station nor a vif, including frames injected through a monitor\ninterface. Unlike the core global WCID initialized by\nmt76_register_device(), this WCID is published without ever being passed\nto mt76_wcid_init().\n\nSince commit 0335c034e726 (\"wifi: mt76: fix race condition related to\nchecking tx queue fill status\"), mt76_tx() queues every such frame on the\nWCID's tx_pending or tx_offchannel queue and links its tx_list. The first\ninjected frame therefore reaches __skb_queue_tail() with an uninitialized\nsk_buff_head and dereferences a NULL prev pointer.\n\nInitialize the WCID before publishing it.\n\nThe fix was tested on an MT7603 PCIe device. Three wildcard probe requests\nwere injected through a monitor interface. The hardware queue head and tail\nadvanced from 0 to 3 and a second radio captured the third request over the\nair. No oops or reset occurred. After restoring AP mode, a 150 MB transfer\nalso completed without a reset.","Type":"Description","Title":"wifi: mt76: mt7603: initialize global station WCID"}]}}}