{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90374","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.808Z","datePublished":"2026-09-17T16:09:14.067Z","dateUpdated":"2026-09-17T16:09:14.067Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-17T16:09:14.067Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: validate RX band_idx before dereferencing phys[]\n\nband_idx comes from a 2-bit descriptor field (0-3) and was used directly\nto index dev->mt76.phys[] (size __MT_MAX_BAND == 3) and dereference the\nresult. A corrupt or reserved descriptor value could index out of bounds\nor hit a NULL phy on parts with fewer bands. Reject invalid band indices,\nmirroring mt7996_rx_get_wcid()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7996/mac.c"],"versions":[{"version":"98686cd21624c75a043e96812beadddf4f6f48e5","lessThan":"535091c587268cc783608642838a655d828eefdd","status":"affected","versionType":"git"},{"version":"98686cd21624c75a043e96812beadddf4f6f48e5","lessThan":"0f53ece876e1f3bbb3e18f48afc4af1ee967b16c","status":"affected","versionType":"git"},{"version":"98686cd21624c75a043e96812beadddf4f6f48e5","lessThan":"b1c5cf8903bec5476a2233b4e45287b9a2213e02","status":"affected","versionType":"git"},{"version":"98686cd21624c75a043e96812beadddf4f6f48e5","lessThan":"2243778a5fae8329ab5f18e7adcd7e03b911a1b7","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7996/mac.c"],"versions":[{"version":"6.2","status":"affected"},{"version":"0","lessThan":"6.2","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.52","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/535091c587268cc783608642838a655d828eefdd"},{"url":"https://git.kernel.org/stable/c/0f53ece876e1f3bbb3e18f48afc4af1ee967b16c"},{"url":"https://git.kernel.org/stable/c/b1c5cf8903bec5476a2233b4e45287b9a2213e02"},{"url":"https://git.kernel.org/stable/c/2243778a5fae8329ab5f18e7adcd7e03b911a1b7"}],"title":"wifi: mt76: mt7996: validate RX band_idx before dereferencing phys[]","x_generator":{"engine":"bippy-1.2.0"}}}}