{"api_version":"1","generated_at":"2026-09-18T23:46:32+00:00","cve":"CVE-2026-90354","urls":{"html":"https://cve.report/CVE-2026-90354","api":"https://cve.report/api/cve/CVE-2026-90354.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90354","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90354"},"summary":{"title":"wifi: mt76: mt7915: fix double hif2 init on the non-WED path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: fix double hif2 init on the non-WED path\n\nmt7915_pci_init_hif2() was called unconditionally and again inside the\nWED-inactive branch. The helper increments the global hif_idx, writes the\nPCIe RECOG_ID register and takes a get_device() reference via\nmt7915_pci_get_hif2(), while removal only drops one reference. On non-WED\ndual-hif hardware this double-incremented hif_idx, wrote RECOG_ID twice and\nleaked a device reference. Only the call inside the WED-inactive branch is\ncorrect; drop the unconditional one. hif2 is already initialised to NULL.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:34","updated_at":"2026-09-17 17:17:34"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/29fbc5256c2d8448f084ff179d2e5092ecd1fc54","name":"https://git.kernel.org/stable/c/29fbc5256c2d8448f084ff179d2e5092ecd1fc54","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/927fe8c0eb8c10295bc0018c8faa4d91f8fe98c6","name":"https://git.kernel.org/stable/c/927fe8c0eb8c10295bc0018c8faa4d91f8fe98c6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3ae8ad277e2819a281b0e36b55633c8515c16ce7","name":"https://git.kernel.org/stable/c/3ae8ad277e2819a281b0e36b55633c8515c16ce7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/249cbaa1873550689fab136b74982cbba74c4169","name":"https://git.kernel.org/stable/c/249cbaa1873550689fab136b74982cbba74c4169","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/eac18fadc791928379b179e54636494b92f8cf86","name":"https://git.kernel.org/stable/c/eac18fadc791928379b179e54636494b92f8cf86","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bd2e8f535ae35beb45a7fcc17ec9bbf8dc4db5fe","name":"https://git.kernel.org/stable/c/bd2e8f535ae35beb45a7fcc17ec9bbf8dc4db5fe","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90354","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90354","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cacdd67812c6df824704ac078f1770188a485ff9 eac18fadc791928379b179e54636494b92f8cf86 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cacdd67812c6df824704ac078f1770188a485ff9 927fe8c0eb8c10295bc0018c8faa4d91f8fe98c6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cacdd67812c6df824704ac078f1770188a485ff9 bd2e8f535ae35beb45a7fcc17ec9bbf8dc4db5fe git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cacdd67812c6df824704ac078f1770188a485ff9 249cbaa1873550689fab136b74982cbba74c4169 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * 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/mt7915/pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"eac18fadc791928379b179e54636494b92f8cf86","status":"affected","version":"cacdd67812c6df824704ac078f1770188a485ff9","versionType":"git"},{"lessThan":"927fe8c0eb8c10295bc0018c8faa4d91f8fe98c6","status":"affected","version":"cacdd67812c6df824704ac078f1770188a485ff9","versionType":"git"},{"lessThan":"bd2e8f535ae35beb45a7fcc17ec9bbf8dc4db5fe","status":"affected","version":"cacdd67812c6df824704ac078f1770188a485ff9","versionType":"git"},{"lessThan":"249cbaa1873550689fab136b74982cbba74c4169","status":"affected","version":"cacdd67812c6df824704ac078f1770188a485ff9","versionType":"git"},{"lessThan":"29fbc5256c2d8448f084ff179d2e5092ecd1fc54","status":"affected","version":"cacdd67812c6df824704ac078f1770188a485ff9","versionType":"git"},{"lessThan":"3ae8ad277e2819a281b0e36b55633c8515c16ce7","status":"affected","version":"cacdd67812c6df824704ac078f1770188a485ff9","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/mediatek/mt76/mt7915/pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.18"},{"lessThan":"5.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"5.18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: fix double hif2 init on the non-WED path\n\nmt7915_pci_init_hif2() was called unconditionally and again inside the\nWED-inactive branch. The helper increments the global hif_idx, writes the\nPCIe RECOG_ID register and takes a get_device() reference via\nmt7915_pci_get_hif2(), while removal only drops one reference. On non-WED\ndual-hif hardware this double-incremented hif_idx, wrote RECOG_ID twice and\nleaked a device reference. Only the call inside the WED-inactive branch is\ncorrect; drop the unconditional one. hif2 is already initialised to NULL."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:09:00.880Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/eac18fadc791928379b179e54636494b92f8cf86"},{"url":"https://git.kernel.org/stable/c/927fe8c0eb8c10295bc0018c8faa4d91f8fe98c6"},{"url":"https://git.kernel.org/stable/c/bd2e8f535ae35beb45a7fcc17ec9bbf8dc4db5fe"},{"url":"https://git.kernel.org/stable/c/249cbaa1873550689fab136b74982cbba74c4169"},{"url":"https://git.kernel.org/stable/c/29fbc5256c2d8448f084ff179d2e5092ecd1fc54"},{"url":"https://git.kernel.org/stable/c/3ae8ad277e2819a281b0e36b55633c8515c16ce7"}],"title":"wifi: mt76: mt7915: fix double hif2 init on the non-WED path","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90354","datePublished":"2026-09-17T16:09:00.880Z","dateReserved":"2026-09-11T19:38:34.806Z","dateUpdated":"2026-09-17T16:09:00.880Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:34","lastModifiedDate":"2026-09-17 17:17:34","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90354","Ordinal":"1","Title":"wifi: mt76: mt7915: fix double hif2 init on the non-WED path","CVE":"CVE-2026-90354","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90354","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: fix double hif2 init on the non-WED path\n\nmt7915_pci_init_hif2() was called unconditionally and again inside the\nWED-inactive branch. The helper increments the global hif_idx, writes the\nPCIe RECOG_ID register and takes a get_device() reference via\nmt7915_pci_get_hif2(), while removal only drops one reference. On non-WED\ndual-hif hardware this double-incremented hif_idx, wrote RECOG_ID twice and\nleaked a device reference. Only the call inside the WED-inactive branch is\ncorrect; drop the unconditional one. hif2 is already initialised to NULL.","Type":"Description","Title":"wifi: mt76: mt7915: fix double hif2 init on the non-WED path"}]}}}