{"api_version":"1","generated_at":"2026-10-04T07:15:36+00:00","cve":"CVE-2026-90382","urls":{"html":"https://cve.report/CVE-2026-90382","api":"https://cve.report/api/cve/CVE-2026-90382.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90382","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90382"},"summary":{"title":"wifi: mt76: mt76x02: do not WARN on invalid rx descriptor length","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt76x02: do not WARN on invalid rx descriptor length\n\nThe MPDU length in the rx descriptor comes from the hardware. In\nmonitor mode with the fcsfail filter enabled, the hardware passes up\ncorrupted frames, and a corrupted frame can report a length larger\nthan the received buffer. The bounds check correctly discards such\nframes, but its WARN_ON_ONCE wrapper means any over-the-air garbage\nframe taints the kernel, and panics it on the first such frame when\npanic_on_warn is set.\n\nDrop the WARN and discard the frame silently, matching what\ncommit c2d4c8723dbf (\"mt76x2: remove some harmless WARN_ONs in tx\nstatus and rx path\") did for the neighboring rx and tx status paths.\n\nObserved immediately on rx with an MT7612U in fcsfail monitor mode\non a busy channel.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:37","updated_at":"2026-09-17 17:17:37"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/17d6b89e09eac2d90272fceeba3644e92212e02f","name":"https://git.kernel.org/stable/c/17d6b89e09eac2d90272fceeba3644e92212e02f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6def491fe9c4e83aa8cba62d74e9d4ab751ee967","name":"https://git.kernel.org/stable/c/6def491fe9c4e83aa8cba62d74e9d4ab751ee967","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/61b1f6d92249bc34580ff19de7c69c805f82adca","name":"https://git.kernel.org/stable/c/61b1f6d92249bc34580ff19de7c69c805f82adca","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b6e7958602bd1acdb8ae92703b6689a28bcc9bc0","name":"https://git.kernel.org/stable/c/b6e7958602bd1acdb8ae92703b6689a28bcc9bc0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c65bbfc730df9ebf0fea8e286b0ad2dfab03dbfe","name":"https://git.kernel.org/stable/c/c65bbfc730df9ebf0fea8e286b0ad2dfab03dbfe","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2d31e332c13b1db7745a7bd9cf74bc105524bcac","name":"https://git.kernel.org/stable/c/2d31e332c13b1db7745a7bd9cf74bc105524bcac","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/81497634d9f872fd3e8b03aada55574afff6f174","name":"https://git.kernel.org/stable/c/81497634d9f872fd3e8b03aada55574afff6f174","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d55e7aede542c4c76ead82d37d0c112f21eb2ac2","name":"https://git.kernel.org/stable/c/d55e7aede542c4c76ead82d37d0c112f21eb2ac2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90382","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90382","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7bc04215a66b60e198aecaee8418f6d79fa19faa 61b1f6d92249bc34580ff19de7c69c805f82adca git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7bc04215a66b60e198aecaee8418f6d79fa19faa c65bbfc730df9ebf0fea8e286b0ad2dfab03dbfe git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7bc04215a66b60e198aecaee8418f6d79fa19faa d55e7aede542c4c76ead82d37d0c112f21eb2ac2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7bc04215a66b60e198aecaee8418f6d79fa19faa b6e7958602bd1acdb8ae92703b6689a28bcc9bc0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7bc04215a66b60e198aecaee8418f6d79fa19faa 2d31e332c13b1db7745a7bd9cf74bc105524bcac git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7bc04215a66b60e198aecaee8418f6d79fa19faa 17d6b89e09eac2d90272fceeba3644e92212e02f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7bc04215a66b60e198aecaee8418f6d79fa19faa 6def491fe9c4e83aa8cba62d74e9d4ab751ee967 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7bc04215a66b60e198aecaee8418f6d79fa19faa 81497634d9f872fd3e8b03aada55574afff6f174 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.16","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.270 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 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/mt76x02_mac.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"61b1f6d92249bc34580ff19de7c69c805f82adca","status":"affected","version":"7bc04215a66b60e198aecaee8418f6d79fa19faa","versionType":"git"},{"lessThan":"c65bbfc730df9ebf0fea8e286b0ad2dfab03dbfe","status":"affected","version":"7bc04215a66b60e198aecaee8418f6d79fa19faa","versionType":"git"},{"lessThan":"d55e7aede542c4c76ead82d37d0c112f21eb2ac2","status":"affected","version":"7bc04215a66b60e198aecaee8418f6d79fa19faa","versionType":"git"},{"lessThan":"b6e7958602bd1acdb8ae92703b6689a28bcc9bc0","status":"affected","version":"7bc04215a66b60e198aecaee8418f6d79fa19faa","versionType":"git"},{"lessThan":"2d31e332c13b1db7745a7bd9cf74bc105524bcac","status":"affected","version":"7bc04215a66b60e198aecaee8418f6d79fa19faa","versionType":"git"},{"lessThan":"17d6b89e09eac2d90272fceeba3644e92212e02f","status":"affected","version":"7bc04215a66b60e198aecaee8418f6d79fa19faa","versionType":"git"},{"lessThan":"6def491fe9c4e83aa8cba62d74e9d4ab751ee967","status":"affected","version":"7bc04215a66b60e198aecaee8418f6d79fa19faa","versionType":"git"},{"lessThan":"81497634d9f872fd3e8b03aada55574afff6f174","status":"affected","version":"7bc04215a66b60e198aecaee8418f6d79fa19faa","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/mediatek/mt76/mt76x02_mac.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.16"},{"lessThan":"4.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.270","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","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":"5.10.270","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"4.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt76x02: do not WARN on invalid rx descriptor length\n\nThe MPDU length in the rx descriptor comes from the hardware. In\nmonitor mode with the fcsfail filter enabled, the hardware passes up\ncorrupted frames, and a corrupted frame can report a length larger\nthan the received buffer. The bounds check correctly discards such\nframes, but its WARN_ON_ONCE wrapper means any over-the-air garbage\nframe taints the kernel, and panics it on the first such frame when\npanic_on_warn is set.\n\nDrop the WARN and discard the frame silently, matching what\ncommit c2d4c8723dbf (\"mt76x2: remove some harmless WARN_ONs in tx\nstatus and rx path\") did for the neighboring rx and tx status paths.\n\nObserved immediately on rx with an MT7612U in fcsfail monitor mode\non a busy channel."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:09:19.247Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/61b1f6d92249bc34580ff19de7c69c805f82adca"},{"url":"https://git.kernel.org/stable/c/c65bbfc730df9ebf0fea8e286b0ad2dfab03dbfe"},{"url":"https://git.kernel.org/stable/c/d55e7aede542c4c76ead82d37d0c112f21eb2ac2"},{"url":"https://git.kernel.org/stable/c/b6e7958602bd1acdb8ae92703b6689a28bcc9bc0"},{"url":"https://git.kernel.org/stable/c/2d31e332c13b1db7745a7bd9cf74bc105524bcac"},{"url":"https://git.kernel.org/stable/c/17d6b89e09eac2d90272fceeba3644e92212e02f"},{"url":"https://git.kernel.org/stable/c/6def491fe9c4e83aa8cba62d74e9d4ab751ee967"},{"url":"https://git.kernel.org/stable/c/81497634d9f872fd3e8b03aada55574afff6f174"}],"title":"wifi: mt76: mt76x02: do not WARN on invalid rx descriptor length","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90382","datePublished":"2026-09-17T16:09:19.247Z","dateReserved":"2026-09-11T19:38:34.809Z","dateUpdated":"2026-09-17T16:09:19.247Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:37","lastModifiedDate":"2026-09-17 17:17:37","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90382","Ordinal":"1","Title":"wifi: mt76: mt76x02: do not WARN on invalid rx descriptor length","CVE":"CVE-2026-90382","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90382","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt76x02: do not WARN on invalid rx descriptor length\n\nThe MPDU length in the rx descriptor comes from the hardware. In\nmonitor mode with the fcsfail filter enabled, the hardware passes up\ncorrupted frames, and a corrupted frame can report a length larger\nthan the received buffer. The bounds check correctly discards such\nframes, but its WARN_ON_ONCE wrapper means any over-the-air garbage\nframe taints the kernel, and panics it on the first such frame when\npanic_on_warn is set.\n\nDrop the WARN and discard the frame silently, matching what\ncommit c2d4c8723dbf (\"mt76x2: remove some harmless WARN_ONs in tx\nstatus and rx path\") did for the neighboring rx and tx status paths.\n\nObserved immediately on rx with an MT7612U in fcsfail monitor mode\non a busy channel.","Type":"Description","Title":"wifi: mt76: mt76x02: do not WARN on invalid rx descriptor length"}]}}}